Showing posts with label science. Show all posts
Showing posts with label science. Show all posts

1/24/26

My Great Grandfather was Harris Epstein the Great Inventor of a Patented Folding Umbrella, Extension Ladder and more


I am named after my great-grandfather, Harris (Tzvee) Epstein, aka, Epstein the Inventor, who lived in New York City and Spring Valley. I probably inherited my technical curiosity from him.

He was the inventor and patent holder of many practical items, a folding umbrella, an extension ladder, a double sided toothbrush, a vegetable grater and more.

Here are of his patents with their links from Google Patent search: 

FOLDING UMBRELLA Patent number: 1666692 Filing date: Jan 29, 1927 Issue date: Apr 17, 1928

SIGNALING APPARATUS US Pat. 1060898 - H. EPSTEIN. SIGNALING APPARATUS, APPLICATION PILED JAN. 26, 19.11. Patented May 6,1913.

EXTENSION LADDER US Pat. 949529 - Filed Feb 10, 1909

VEGETABLE GRATER US Pat. 1799963 - Filed Apr 4, 1930... UNITED STATES PATENT OFFICE HARRIS EPSTEIN, OF ROCKAWAY BEACH, NEW YORK VEGETABLE GRATER

GAS-CONTROLLING DEVICE US Pat. 968457 - Filed Jan 11, 1910

TOOTH BRUSH Patent number: 1111144 Filing date: Oct 4, 1913 Issue date: Sep 22, 1914

Papa Epstein, as he was called by his grandchildren, sure would have liked the age of the personal computer and the Internet, especially the iPad and smart phone.

Was Benoît Mandelbrot Jewish?

Yes, Benoît Mandelbrot was a Jew. The Times obituary says he, "was born on Nov. 20, 1924, to a Lithuanian Jewish family in Warsaw. In 1936 his family fled the Nazis, first to Paris and then to the south of France..."  Wikipedia says that in France, "He was helped by Rabbi David Feuerwerker, the Rabbi of Brive-la-Gaillarde, to continue his studies." Mandelbrot is the Yiddish word for almond bread, the Jewish biscotti.

The Times says, "Dr. Mandelbrot coined the term 'fractal' to refer to a new class of mathematical shapes whose uneven contours could mimic the irregularities found in nature." Mandelbrot's discoveries profoundly influenced mathematics and the sciences and numerous disciplines beyond.

Talmudic Chaos v. Halakhic Linearity in the Logic of Judaism

In 2011 I published an article, "In Search Of The Logic Of Judaism: From Talmudic Chaos To Halakhic Linearity," which you can download and read from the link here.   


I used mathematical ideas to differentiate the linear organization of the halakhah from non-linear thinking of the Talmud. Our abstract says: 

In this paper I examine some common views of scholars concerning the idea of the halakhah in Judaism. I then explain why their methods failed to account for the main philological and historical evidence regarding the term from the Talmudic texts. Then I suggest as a heuristic explanation that the logic of the Talmud defies linearity and can be discussed productively using chaos theory.

The authors in this volume cover varied topics with sophistication and erudition. The publisher's page provides details about the book, as copied below. 

10/9/22

Electricity on Shabbat? My Dear Rabbi Zahavy Jewish Standard Column for March 2020

Electricity on Shabbat? My Dear Rabbi Zahavy Jewish Standard Column for March 2020

Dear Rabbi Zahavy,

Members of my community of Orthodox Jews who are shomer Shabbos refrain from turning on and off all electrical devices to observe their Shabbat rest. So, on Friday nights and Saturdays our practice is not to use, for instance, our phones or TVs or computers. And we don’t turn on or off lights or fans or heaters.

Lately, I’ve become lax in keeping these rules, especially regarding my use of my smart phone, my computer and my Alexa Amazon Echo devices. I feel that using these devices enhances my rest and my leisure. And I have found that avoiding them makes me uneasy, not relaxed or restful.

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I don’t publicly advertise my actions. But it’s increasingly evident to me that my family knows what I am doing and that they quietly disapprove.

I am worried and need your advice. Am I sinning by my behavior? I feel strongly that what I am doing is not a violation of any rules and likely will continue my uses. But what can I do regarding my actions if this all blows up and causes social friction in my family and community?

Electrified in Englewood

Dear Electrified,

Establishing sacred time is a powerful part of all religions. The notion that we Jews spend one day a week in a special world of restful restrictions starting on sundown on Friday is an amazing claim to make. And at the same time, it is hard for the community to enforce the Sabbath taboos.

10/17/21

Are Coronary Stents Kosher?

Yes, coronary stents are kosher. In fact they are a miraculous invention.

What are they? Wikipedia says: "A coronary stent is a tube placed in the coronary arteries that supply the heart, to keep the arteries open in the treatment of coronary heart disease. It is used in a procedure called percutaneous coronary intervention (PCI). Stents reduce chest pain and have been shown to improve survivability in the event of an acute myocardial infarction."

The coronary stent was invented by Julio Palmaz. The stainless steel, insertable mesh stent is expanded once inside the body to hold an artery open and allow blood to flow more freely. Palmaz secured funding for the development of the stent from restaurant owner Phil Romano (Fuddruckers and The Macaroni Grill). Palmaz co-developed the stent with Dr. Richard Schatz, a cardiologist at the time at the Brooke Army Medical Center. We would guess that Schatz is Jewish. They patented their invention in 1985.

The coronary stent is one of the greatest inventions of our time. The stent can be inserted through a small puncture in the groin or wrist and via balloon angioplasty it can open up quickly and with little to no pain a 99% occluded major coronary artery. The procedure takes about an hour and the patient is ambulatory after four hours and can resume many of his favorite activities :-) within one day.

To a person (like me) with CAD this rapid and amazing restoration of a person's quality of life is a true medical miracle of our times.

11/11/20

Is Ronald A. Klain Jewish?

On 10/18/14 I posted this about Klain who is back in the news now: 

Yes, the new Ebola Czar Ronald A. (Ron) Klain is a Jew. He previously served as Vice President Joseph Biden's Chief of Staff.

President Obama will appoint Klain according to CNN citing White House press secretary Josh Earnest, "to make sure that all the government agencies who are responsible for aspects of this response, that their efforts are carefully integrated. He will also be playing a role in making sure the decisions get made."

Klain previously served as Chief of Staff and Counselor to Vice President Al Gore. Klain also knew Biden as a result of his service as counsel to the United States Senate Committee on the Judiciary when Biden chaired that committee.

Klain lives in Chevy Chase, Maryland, with his wife Monica Medina, who is not a Jew, and their children Hannah, Michael and Daniel.

The Times reported in 2007:

... when they married, Ron Klain and his wife, Monica Medina, struck a deal: their daughter and two sons would be raised Jewish (for him), but they would celebrate Christmas (for her).

Despite their satisfaction with the arrangement, the couple, who live in Chevy Chase, Md., have never put up the tree while Mr. Klain’s mother is visiting from Indianapolis. Instead, they wait until after her annual December visit.

“I grew up in Indiana, with a decent-size Jewish community, but we were a distinct minority,” Mr. Klain said. “Not having a Christmas tree was very much part of our Jewish identity in a place where everyone else did.”
In the HBO movie "Recount" Kevin Spacey played Ron Klain.

Spacey, who was born in South Orange, New Jersey to Kathleen A. Spacey (1931-2003), a secretary, and Thomas Geoffrey Fowler (1924-1992), a technical writer, is not a Jew.

7/29/20

Jerusalem and Tisha B'Av - 1986 v. 2020 - How times change!

Today I published my thoughts for Tisha B'Av 2020 - see it as an op-ed in the Jerusalem Post. I say Jerusalem's destruction symbolizes the sufferings of our pandemic world today.

Tisha B'Av has serious meaning for us this year. For many years I did not think that was true.

Thirty-two years ago, on August 13, 1986, I wrote an op-ed that was published in the Jerusalem Post saying that Jerusalem is not desolate. My underlying point was that when we pray, it’s false to say that Jerusalem today is in ruins.

The title that the editors assigned to the op ed was, “Some prefer to give it a new meaning,” although that’s not exactly what I said. Here is the editorial:

“I shall be fasting this week [for Tisha B’Av]. But this year, more than ever before, I feel silly mourning over the destruction of Jerusalem. I really do not know what to do when it comes time to listen to and recite for myself the classical laments for the fast of Tisha B’Av. Much of what we say about Jerusalem in the synagogue is just not true anymore.

“It is obvious to anyone and everyone that Jerusalem does not lie in ruins. On the contrary, this is my fourth extended visit to Jerusalem in the last seven years. Over the last seven years I have watched as buildings spread out from the center of town to the new neighborhoods. Now Jerusalem sprawls across the hills of Judea, south and north from Gilo to Ramot and beyond.

“On the ninth day of Av this year the observant Jews of Jerusalem will congregate in synagogues throughout the city to mourn and lament. What they say inside these halls will not reflect the reality immediately outside them.

“And so this year I have resolved to add a few silent paragraphs to my prayers. Then when I leave the synagogue and step out into the rebuilt city of our people, I will feel that I have been candid in my meditations and forthright in my worship. I shall say something like this:

“‘Jerusalem is not desolate. It stands glorious above our Land. Our capital looks down on the miracle of the modern state of our people, rebuilt by the sweat and labor of our brethren and sisters. A thousand settlements testify to our return and we are homeless no more.’

“‘The inhabitants of Jerusalem are not homeless. Beautiful buildings abound, apartments, condominiums, villas, large and small. Hotels and hostels, old and new. Whosoever wishes may come and live here. Whosoever is hungry shall find sustenance here.’

“‘Enemies do not govern our land. The Knesset, the site of our self-government, stands at the center of our new metropolis, a vibrant testimony to our freedom. Independent and sovereign, we struggle with each other and with the states of the world, and somehow, we manage to live in harmony among ourselves, and to survive in the swirling community of nations.’

“‘Yes, the Temple was destroyed. But we have built other edifices in its stead. Long ago, in another age, our national center was taken from us by forces we could not resist. But now we have built new structures where we symbolize and express our spirit, our minds and our creative energies, and most of all, our freedom.’

“‘A great synagogue and many more stand in our capital. They serve as the many beating hearts of our spiritual organs. In dozens of yeshivot, teachers build the religious minds of our youth. Schools abound. When school is in session, wherever you turn there are children on their way to classes from kindergartens to high schools, soaking up the knowledge of our world.’

“‘A great Hebrew University answers to the essence of our wider educational appetites, in the capital of our nation. In its laboratories, classrooms and libraries, students try to unravel the mysteries of nature and society and strive to construct a new and better order.’

“‘The Israel Museum, the Bezalel School, the Jerusalem Theatre and other institutions small and large. cater to our cultural needs. In Jerusalem we display our past and our present. We sing and dance and we mourn no more. We paint and draw and sculpt and adorn the urban hub of our people, the crown of our land.’

“‘As we watch, day-by-day, luxury hotels go up and up. Lush green gardens bloom before us. We repose in parks and swimming pools. We find our needs in supermarkets, bakeries and department stores. And we indulge our extravagances in shops and markets, elegant restaurants and offbeat cafes.’

“‘The city of Jerusalem has been rebuilt. Still, the work is never done. And the struggle will not end. But: our city is not desolate. How can we mourn? We must, yes, we are obliged, indeed, it is the highest duty, for us to celebrate. For with God’s help, but in accordance with our own will and with our own hands, we have raised Jerusalem beyond its highest heights. Never before in all of our history has this city attained such glory.’

“And so that is what I shall add as I conclude my lamentations on Tisha B’Av this year. I shall be cheerful this year, and I will not mourn. But I shall do so silently, because this is my own private devotion. Will others join me?”

7/23/20

Pandemic Lamentations: My Jewish Standard Dear Rabbi Zahavy Column for July 2020

Dear Rabbi Zahavy,

These past few months in 2020 have been such a sad time of worldwide suffering, specifically due to the impact of the covid-19 virus. On the upcoming Tisha B’Av fast day (the ninth day of Av, which this year begins on the evening of July 29 and ends at sundown on July 30), would it be appropriate to make note of what is going on around us and perhaps to recite prayers to lament and to seek consolation for our present sufferings? How would that work for us?

Lamenting in Leonia


Dear Lamenting,

Yes, that surely is appropriate to do. Though our world of 2020 seems distant from the ancient times of Tisha B’Av, in 70 C. E., when Jerusalem and the Temple were destroyed, the underlying human conditions of life have not changed. Sadly, this year we have come to the point where right now we face extraordinary suffering, trauma, and destruction, on the personal, communal, and global level.

To make for yourself a meaningful Tisha B’Av 2020, you will need to creatively repurpose our old and established rituals, which were instituted after the destructions of 70 C.E. Under the circumstances, you should go for it, and create a new set of lamentations for yourself.

6/11/20

How to Deal With Facebook Stalkers, List Snubs and Technology Taboo Makers - My Jewish Standard Dear Rabbi Zahavy Column for June 2020



Dear Rabbi Zahavy,

I am on Facebook a lot and have many friends there. Recently, one of those people, whom I have known for many years, started replying negatively on every post that I made and on every comment that I put on Facebook. These were not just critical replies. They were snarky at first, and then became nasty and highly personal in nature.


I unfriended this person. But somehow, he still manages to find and comment on all my posts. What should I do to stop this?

Besieged in Bergenfield


Dear Besieged,

Facebook has mechanisms for actively blocking content from specific individuals. You can and should poke around the platform until you find them, and then invoke the harshest level of blocking against this offending person. Be persistent. Since Facebook thrives on content proliferation, your postings make money for them, and thus it deliberately makes the blocking process possible, but neither easy nor intuitive.

4/23/20

Dear Rabbi Zahavy - my Jewish Standard Talmudic Advice Column for April 2020 Your reactions to the pandemic and worries over shul closures

Dear Rabbi Zahavy - my Jewish Standard Talmudic Advice Column for April 2020
Your reactions to the pandemic and worries over shul closures


Dear Rabbi Zahavy,

I find it hard to cope with all the bad news of the current pandemic. I feel it definitely has been impacting my mental stability and even affecting my physical health. What’s your advice?

Reacting in Ridgefield Park


Dear Reacting,

The talmudic rabbis recognized, way back in antiquity, that some people are more sensitive than others to external stimuli. Some rabbis, like the great sage Rabban Gamaliel, were given leeway in their religious practices because they were categorized as istinis — a term some believe is derived from the Greek meaning not strong: a-sthenos; for example, a person of pronounced sensitivity to ugly or troublesome environmental stimuli, death or sickness.

10/29/19

High Recommendation: Tello Mobile Service - a good idea for existing Sprint Customers


After many many years with Sprint, I have switched to Tello Mobile. They are a discount MVNO for Sprint - a mobile virtual network operator. That means they provide the Sprint network to you for calls and data - at a substantially reduced price. 

Until 11/1/19 you can switch and get your first month of service for $5. I find the $19 monthly plan to be sufficient to my needs. Unlimited text and talk and 4 GB of data.

The sacrifice for this? I gave up an unlimited data plan and free roaming - but I do not think I will miss either of these. I might miss their global roaming - but that was a throttled and limited convenience. Wherever I travel, I use a local sim card.

It's not the savings of money that drove me to switch. I grew tired of Sprint's terrible service. They did not deliver a promised offer after I added a new line. And they started signing me up for services that I did not want. And it took them weeks to unlock a phone for me for use with any sim card.  I was wasting a lot of time trying to get Sprint to do or fix things on my plan.


And it is easy to switch.

You can port your Sprint number to Tello and use your existing Sprint phone and sim card. All you do is supply Tello online with your phone's MEID and SIM numbers - which you copy from your relevant phone setup screens - and give Tello your account number at Sprint and PIN number.

It takes a few hours for Tello-porting to occur, if you start the process on a weekday morning.  When ready, you will know because your calling capability will stop on your phone. Your phone will need to be rebooted by calling a simple code the Tello support team will give you. After a few minutes and a few restarts, you will be a new Tello customer. 



9/5/19

My Jewish Standard Dear Rabbi Zahavy column for September 2019 - Your talmudic advice column - What should I do about our tribal rituals and knowledge

My Jewish Standard Dear Rabbi Zahavy column for September 2019
Your Talmudic advice column
What should I do about our tribal rituals and knowledge

Dear Rabbi Zahavy,

I was shocked to read an op-ed in an Israeli newspaper by a writer who made radical assertions — seemingly without much evidence to support his assertions — that circumcision (bris milah) was not a central ritual of ancient Israel. The writer, moreover, proposed eliminating circumcision from Judaism, seemingly reflecting his blindness to his own Jewish culture and religion. Is eliminating circumcision now a trend among some secularist Jews? What can we do to stop this trend?

Bris Defender in Bergenfield


Dear Defender,

While many Jews assume that circumcision is a universal practice among their fellow Jews, that has not always been entirely true. In the early days of Reform Judaism in the 19th century, some classical Reform Jews openly opposed all rituals, including circumcision. And today, as you suspect, there are some young Jewish Israeli parents who refuse to circumcise their sons.

I have a devout Jewish friend who was terribly upset when her son in Israel did not circumcise her new grandson last year. I observe that it is trendy now in some progressive communities in Israel not to circumcise baby boys.

The article you cited provides some rationalizations for those people, but it is based on dubious historical claims.

2/28/19

Arguing about Orthodox Women Rabbis and Finding your Past Lives - My Jewish Standard Dear Rabbi Zahavy - Your Talmudic Advice Column - March 2019

Dear Rabbi Zahavy - Your Talmudic Advice Column March 2019
Arguing about Orthodox Women Rabbis and Finding your Past Lives

Dear Rabbi Zahavy,

I have been bothered deeply to read and hear about a conflict among Teaneck Orthodox rabbis over the hiring of a woman in a rabbinical capacity at a local synagogue.

I think our rabbis ought to set better examples in their behavior and be more progressive in their views about women.

Tired of tiffs in Teaneck

Dear Tired,

I’m sure you realize, first of all, that contention over female clergy is an issue only in the Orthodox world. The Conservative movement has counted women in the minyan for decades and ordained women starting in 1985. Reform Judaism also takes an egalitarian approach to the role of women in their communities. Its first woman rabbi was ordained in 1972.

Sorry, I fear there is not much I can suggest to you to do to help resolve this Orthodox rift. And I say this not based on an assessment of the contemporary persons and institutions involved in the current spat.

11/1/18

#MeToo and Jewish Sex Laws: My Jewish Standard Dear Rabbi Zahavy Talmudic Advice Column for November 2018


Dear Rabbi Zahavy,

I just read an opinion by an outspoken Orthodox rabbi that made sense to me. He said that many centuries ago Orthodox Judaism resolved the terrible problem of the harassment of women by instituting many practices and customs to govern relations between men and women. Isn’t he right? Shouldn’t we men speak up now about this, and let the world know how to resolve the #MeToo crisis by promoting and enforcing our Jewish rules?

Protector of Women in Paramus


Dear Protector,

I believe you refer to the recent article by an Orthodox rabbi, “A safer space for women in Orthodox Judaism’s rules for sex.” He calls the traditional regulations in this arena “realistic and wise.”

And do you know what? After the intense struggles of the past year over #MeToo, which brought down more than 200 powerful men who were accused of harassment (according to the New York Times), it’s really tempting to pause, consider the alternatives, and declare to the rabbis’ team a “touchdown” — to admit we need “rules for sex” and consider seriously advocating for the rabbinic system.

But allow me to develop a sports analogy. Sure, we “referees” can look at the hard-fought struggle on the field, and the struggle in our society, and then declare that tradition has the “touchdown” solution to the problems.

10/11/18

Who am I? My Jewish Standard Dear Rabbi Zahavy Talmudic Advice Column for October 2018

Jewish Standard 
Dear Rabbi Zahavy 
Talmudic Advice Column
October 2018

Dear Rabbi Zahavy,

I read a report in the news that psychologists have identified four major human personality types. Do you advise that I try to find out what is my type? What would the benefits be?

Typified in Tenafly


Dear Typified,

Indeed, this is a timely hot question for many reasons. In the September 10, 2018 issue of the New Yorker there’s an article, “What Personality Tests Really Deliver: They’re a two-billion-dollar industry. But are assessments like the Myers-Briggs more self-help than science?”

Its author, Louis Menand, discusses the famous and popular Myers-Briggs Type Indicator (MBTI), which helps people identify which of 16 personality types they are. The MBTI, it turns out, is controversial in terms of reliability and validity, but it is immensely popular in business settings and in personal growth efforts.

The newer study that you refer to was published recently and shows statistical evidence for the existence of four high-level personality types that the researchers call average, reserved, self-centered, and role model. These groupings depend on how much people display of five traits, specifically neuroticism, extroversion, openness, agreeableness, and conscientiousness.

I have reservations about getting all gung-ho about this study, even though it is based on a lot of real data, namely 1.5 million responses to four different personality surveys from respondents of all ages worldwide, analyzed by algorithms to sort the data into distinct clusters.

My hesitation is that the types in this study seem too general and almost common-sensical. That makes me wonder what the value of these distinctions may be. I have similar reservations about the MBTI and other instruments for personality identification and classification.

But on the other hand, sure, for many reasons we all could benefit from knowing more about ourselves. And if type-studies do assist us, then let’s embrace them for what they are — helpful augmentations to our intuitive insights into personalities.

Overall, I can think of several main reasons for seeking more clarity about human personality types, and identifying your own, to see where you fit in.

First, and what I believe is your motive for asking, knowing what is your type can increase your own self-awareness. The more you understand about yourself, the more mature you can be in approaching your life-decisions, such as what career to choose, what kinds of friends or spouse to seek, and many other basic issues that we all confront. That is a practical application that can be beneficial to you as an individual.

Typology-making also can be helpful in performing broader cultural analysis. The influential psychologist Carl Jung advanced the notion of personality archetypes in his 20th century writings. His followers, including Myers and Briggs, sought to apply his ideas to various aspects of cultures and societies, some more serious and scholarly, and others more popular.

A wonderful memorable illustration of the latter is the book “Goddesses in Every Woman: Powerful Archetypes in Women’s Lives” by Jean Bolen. Though her work refers to classical mythical goddesses, her purpose was to help people attain a secular understanding of their own personality types and those of others they may know.

For Bolen, a woman may be able to see herself through the prism of the goddesses of the Greek pantheon and thereby more clearly find her inner personality archetypes.

Typology-making also has been used to do constructive religious theology, the goal of which is not necessarily to gain personal insights, but rather to explain and promote the advantages and explicate the meanings of a particular religious system.

I was exposed to a topological brand of theology through the teachings of my rebbe, Rabbi Joseph B. Soloveitchik, who wrote about a type that he invented and called “Halakhic Man” in a famous long essay with the same title.

In that exercise, Soloveitchik constructed an ideal religious Jew (“Halakhic Man”) and contrasted that with two other human types that he called Cognitive Man and Religious Man. Cognitive Man, he says, represents an abstraction of a scientist, like a theoretical physicist or mathematician, who comes to know the world by constructing intellectual models and analyzing the actual world in systemic ways.

Religious Man, as Soloveitchik sees it, seeks to master the capacity for spiritual experience, to transcend physical reality and experience God’s immanent presence in the world.

Soloveitchik surprisingly relates the Halakhic Man type to Cognitive Man. Both approach the world with their respective intellectual models. Halachic Man comes to the world armed with the two Torahs, written and oral, revealed by God at Mount Sinai. Cognitive Man may use a model based on his received mathematical or scientific criteria, and Halachic Man understands his world via classical Jewish legal categories.

I’ve done my own theological application of typologies, in a book that I published in 2011 called “God’s Favorite Prayers.” I displayed there my analysis of the classic Jewish prayers through the prism of six personality types of Jews at prayer that I developed.

I devised types that I labelled the scribe, the priest, the performer, the meditator, the mystic, and the celebrity monotheist, to help me characterize the contents of the individual prayers that make up the composite prayer book that Jews compiled over the centuries.

My thesis in my book in brief is that the Shema prayer represents the values and traits of a scribe. The Amidah embodies the values of a priest. The grace after meals is an expression of a meditator. The Kaddish is a supplication of a mystic. And the Alenu prayer is a declaration of a celebrity monotheist, a triumphalist.

While my goal was to explain and bring focus on the substance and character of each prayer, I do expect that by delineating individual character types, I help people gain insights into their own religious personalities as well. Still, I haven’t yet devised a questionnaire to determine which archetype of prayer a person most closely matches. Perhaps I should put that on my creative agenda.

To get back to your question, clearly you may want to know your type to obtain a deeper personal self-understanding, or you may seek a better sense of broader social and cultural insights. Keep in mind that others around you will want to know your personality type for decidedly practical, and perhaps for pecuniary purposes.

Officers in the armed forces will want to precisely as possible identify the personality of its recruits to put them in the best possible tactical roles. So too will business managers want to know a personality type to place an employee in the best suited position. The Myers-Briggs inventory is used widely in business contexts.

Dating services will want to clearly know the traits of its clients to perform the best possible matching with potential mates. And of course, a marketing entity will want to know as much as possible about its potential clienteles, to target its efforts and to maximize its sales. Personality typing can be a shortcut to that goal.

Personality information is valuable in many respects. Current reports in the news tell us of a café near Brown University that will serve its clients coffee for payments not in money, but in the credits of the personal data that they provide.

My answer to your inquiry is, then, yes. You will want at some point for your own benefit and perhaps to serve the purposes of others, to ascertain details of your own personality type. But there is no hurry to do this. This area of psychological and social analysis is changing rapidly. Artificial intelligence algorithms and machine learning models are being refined, developed, and introduced as we speak, and used in the areas of these inquiries.

I can foresee in the near future the emergence of advanced and more granular typologies that identify not four or 16 but hundreds or thousands of personality types by applying models and algorithms to massive amounts of data.

And yet even given the state of the field, I could point out to you that there are plenty of naysayers who question the validity of these kinds of studies, and others who oppose its invasiveness on ethical grounds. Humorously, I could say to you that there are two basic types of people in the world, those who believe that personality type studies are immensely useful, and those who do not like them at all. I am closer to the former type.

The recent study we alluded to has limitations, as does any similar past attempts at typology. Deciding on the boundaries of types is often arbitrary. And though major personality traits are fixed in an individual, age does play a factor, and people can change. Young people, for instance, tend to be self-centered. Older people often seek to be role models. And yes, people who self-report on tests or inventories may deliberately or inadvertently misrepresent their own traits and preferences.

And again, all those test outcome observations seem close to the common-sense insights that a sage cultural critic could advance without resorting to any sophisticated questionnaire or data mining.

In any case, the longer you wait to explore this area of research, the more sophisticated the results and insights will be. Do follow up if you are so inclined, but keep in mind all of the above caveats and limitations, and don’t be in any rush to become typified.

Tzvee Zahavy of Teaneck has been a professor of Talmud, Jewish law codes, Jewish liturgy, Jewish history, Near Eastern and Jewish studies, and religious studies at major U.S. research universities and seminaries. His book “God’s Favorite Prayers” is available on Amazon in paperback or Kindle format. He received his Ph.D. from Brown University and his rabbinic ordination from Yeshiva University. Go to www.tzvee.com for details.

8/14/18

The Classic Book Rabbi Joshua Trachtenberg's "Jewish Magic" - My wonderful edition for Kindle - Purchase Now

Please take extra special note and purchase my revised edition for Kindle of the great classic book Rabbi Joshua Trachtenberg's "Jewish Magic."



This book is a comprehensive review of Jewish magic from the 10th to the 15th century. This book explains well-known Jewish traditions, such as why a glass is broken at a wedding, and how the expression mazal tov is related to a belief in astrology. Rabbi Trachtenberg dealt with Golems, Succubi, the Lillim, (from Lilith, Adam’s first wife), and other magical creatures, some well-known such as werewolves, and others not so well, such as estrie, mare and broxa. He presented detailed descriptions of talismans, amulets, charms, and other magical objects. His chapters dealt with dream interpretation, medical beliefs, necromancy, and other forms of divination. Rabbi Trachtenberg’s appreciation of the role of magic in Jewish culture was significant for the study of Judaism, and for the knowledge of modern beliefs and practices in religions in general.

My New Title for the Book

The original title of this book in 1939 was Jewish Magic and Superstition. For this Kindle edition in 2016, I removed the tendentious terms superstition and superstitious from this otherwise excellent book and from its title, and I substituted where needed throughout the text of the book, either the words religious or magical to lend the discussion greater consistency and to remove the distracting and negative polemical aspect of those terms from this pivotal study.

Commonly the word superstition is used to refer to aspects of religion that are not practiced by the majority of a culture. It has had a pejorative connotation since the days of Plato and Aristotle. Wikipedia (s.v. Superstition) informs us that:
In the classical era, the existence of gods was actively debated both among philosophers and theologians, and opposition to superstition arose consequently. The poem De rerum natura, written by the Roman poet and philosopher Lucretius further developed the opposition to superstition.
Cicero’s work De natura deorum also had a great influence on the development of the modern concept of superstition as well as the word itself. Where Cicero distinguished superstitio and religio, Lucretius used only the term religio. Cicero, for whom superstitio meant “excessive fear of the gods” wrote that “superstitio, non religio, tollenda est,” which means that only superstition, and not religion, should be abolished… The term superstitio, or superstitio vana “vain superstition,” was applied in the first century to those religious cults in the Roman Empire which were officially outlawed.
 The Teaneck New Jersey Author

The author of this book, Rabbi Joshua Trachtenberg (b. 1904, d. 1959) was a reform rabbi at Temple Emeth in Teaneck, New Jersey. This book is an expansion of his Columbia University Ph.D. thesis.

Thanks go out to my valued collaborator, Reuven Brauner for his work improving the editing and formatting of this book for this Kindle eBook publication.



3/4/18

Was Roger Bannister Jewish?

No, the first athlete to run a mile in under 4 minutes, Roger Bannister was not a Jew.

He died 3/3/2018 at age 88. British Prime Minister Theresa May remembered Bannister as a "British sporting icon whose achievements were an inspiration to us all. He will be greatly missed."

Note that Harold Abrahams, the timekeeper who recorded Bannister's first, was a Jew. Wikipedia reports. "Abrahams's father, Isaac, was a Jewish immigrant from Poland, then Congress Poland as part of the Russian Empire. He worked as a financier, and settled in Bedford with his Welsh Jewish wife, Esther Isaacs."

May 6, 1954: "Bannister crossed the line and slumped into the arms of a friend, barely conscious. The chief timekeeper was Harold Abrahams, the 100-meter champion at the 1924 Paris Olympics whose story inspired the film 'Chariots of Fire.' He handed a piece of paper to Norris McWhirter, who announced the time."

In 2011 there was some controversy over Abraham's role as timekeeper at the event.

1/10/18

My Plea - In Mommy Edith's Memory on her Birthday - Quit Smoking Cigarettes Today

My mother was a strong athletic woman. I believe that she would be alive and 97 years old today, if not for cigarettes.

In 2000 my mother Edith Zahavy passed away on the 4th day of Tammuz after six months of hospitalization at Mt. Sinai in NYC. She was 79.

For 63 years she smoked, mostly menthol cigarettes. The corporate tobacco pushers hooked her into addiction by giving her free samples outside her school, Hunter College, when she was a teenager. They supplied her habit for six decades.

For several years prior to her death she could hardly walk because of her profound vascular disease, heart disease and emphysema. Her last months in the hospital on a respirator were awful as all of the organs of her systems weakened and failed.

My mother was a beautiful, selfless, generous, creative, religious person who dedicated her whole life to her family, to her friends and to her students. She first brought us up (myself and my brother and sister) and then went on to teach in the NYC public schools. She also founded the Park East Day School.

She stood behind my father, me and my siblings through thick and thin. But through the years she always smoked, mostly Newports and Salems. When I was in high school she would send me down on Fridays to buy her Challahs for Shabbat and a pack of cigarettes for Friday.

As I remember her -- an active vibrant woman -- I plead with you -- if you smoke cigarettes -- QUIT TODAY. Please for the sake of the memory of my mother -- for your own sake -- for the sake of your spouse, your parents, your children, your friends -- please stop.

(Repost annually from 2006)

9/29/17

Are Crocs shoes permitted on Yom Kippur?

I recall posting this in 2009 - and now I have Croc-like shoes that I plan to wear in a few hours to shul for Kol Nidre on Yom Kippur. My shoes are quite comfortable.

It's my impression that the brouhaha of 2009 over this issue has faded away and now it is permitted to wear these shoes on Yom Kipur.

Here is my post from 2009.............. Enjoy! ... Gmar Hatimah Tovah to all!

The Internet is buzzing with the late breaking news that a prominent Orthodox rabbi has banned croc-wearing on Yom Kippur because the shoes made from lightweight, antimicrobial foam are too comfortable, even though they contain no leather.

Crocs have sold 100 million pairs in seven years. Of late, the company that makes them is rumored to be in bad financial straights.

We have never owned or worn crocs. We checked with a relative of ours, who prefers to remain anonymous, who informs us that he has worn crocs on several occasions and that they gave him blisters each time. Apparently, the rabbi has been misinformed as to the comfort of the crocs brand of shoes.

We do not issue on this blog religious rulings for others to follow. But we can tell you that it is our informed opinion that if we were to wear crocs on Yom Kippur we could rest assured that we had not violated any prohibition in the Torah.

Rav Elyashiv: Crocs Should Not Be Worn On Yom Kippur

rav-elyashiv1crocsThe posek hador, Rav Yosef Shalom Elyashiv, has ruled that Crocs should not be worn on Yom Kippur. Matzav.com had actually reported this ruling of Rav Elyashiv before Tisha B’Av (see here), but now the p’sak has been reported in Bakehillah and various news outlets. The p’sak is based on the fact that the issur to wear leather shoes on Yom Kippur is because they are considered the most comfortable footwear and are therefore included as one of the five prohibitions, or inuyim, of Yom Kippur. Thus, Crocs which are especially comfortable, ruled Rav Elyashiv, should similarly not be worn.

Israeli Chief Rabbi Yonah Metzger and others had previous ruled that Crocs are allowed on Yom Kippur, even though they are comfortable, because they are not made of leather. They say that in the past, as mentioned, the prohibition on wearing leather shoes was because they were considered the most comfortable, and therefore, they claim that just because nowadays rubber shoes are no less comfortable, they, and similar sport shoes, are permitted.

The posek hador has disagreed, however, and has ruled that comfort must be considered, and therefore, Crocs, which are worn for their extreme comfort, should preferably not be worn on Yom Kippur.

See Matzav.com’s earlier report here which contains the views of Rav Moshe Shternbuch and others.

4/10/17

Is that Pot Kosher for Passover?

Via Earth Times with a big smile. Passover pot is not a problem for Sephardic Jews. Is cannabis kosher for Passover for Ashkenazic Jews?
Is pot kitniyot? It's up to the rabbi

JERUSALEM (UPI) In Israel, rabbis are trying to determine if hemp and its cousin, marijuana, are on the list of legumes that some Jews must abstain from during Passover.

This year, the Green Leaf Party, which advocates legalization of marijuana, warned its members by e-mail that it may be considered kitniyot, or a legume. Observant Ashkenazi Jews abstain from kitniyot during the holiday.

Rabbi Daniel Ayin told the Jerusalem Post that the issue is whether hemp seeds -- and marijuana -- are considered edible. If they are edible, then Ashkenazi Jews should not eat them during Passover.

Ayin said that individual rabbis can make the decision for their congregations.

One couple, who for some reason did not want their last names used, told the Post they only realized that they might have a problem when a friend offered to buy their marijuana. Daniel and Sarah, both recent emigrants from Chicago, said he told them he was making the rounds of all his observant friends before the holiday.

To play it safe, the couple got rid of their stash -- not by selling it, which they decided would be inappropriate -- and gave the house an extra ritual cleaning.
[repost]