Weider was a practicing Jew?
Not sure if he was practicing, but Ben Weider and sons were and are. Joe quietly gave to Israeli causes like many Jewish businessmen -
"There is also a Joe Weider Foundation; Joe Weider is CEO and Eric Weider has been CFO and is currently President. This has given several large grants to a Los Angeles-based organization called American Friends Of Aish HaTorah. Aish HaTorah is an Israeli organization that opposes Jewish assimilation and promotes Israel in the United States."
( Taken from -
https://www.counterpunch.org/2012/12/06/how-american-history-magazine-censored-palestine/ ).
Over 9 years (2000 -2009), the Joe Weider Foundation gave away $4.7 million, these were the recipients of $100,000 or more -
Selecting only those charities that received, cumulatively, in excess of $100,000, here are the largest recipients of the Joe Weider Foundation over the 9 years ended November 30, 2009:
To Keep Him First, Mt Vernon, VA 100,000
(This is an American historical foundation)International Napoleonic Society, Montreal 425,000
(One of Ben Weider's pet projects dealing with Nepoleonic history)Ben Weider Educational Fund 440,000
University of Western Ontario 600,000
American Friends of Aish Hatorah, Los Angeles 750,000
University of Texas Foundation 1,265,000
(This was for the Joe Weider wing of the H J Stark Physical Culture and Sports Building) Total for these 6 charities 3,548,000 out of a bit under $4.7 Million
*Poster's Note, I added the red explanations, breakdown taken from a series of posts here -
https://www.ironmind-forum.com/forum/strength-medley/other-strength-topics/1128-the-joe-betty-weider-museum .
Ben and Joe had more contributions to various Jewish charities, but they were to more common things - community centers, synagogues, etc....
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Just as another aside, one of the bigger things that caused a rift between Bob Hoffman and Weider, besides business, was the writer / editor Harry Paschall that worked for York Barbell. Paschall did not like Weider, and honestly, probably didn't like Jews as a whole.
Paschall noticed Joe Weider's middle name was Edwin, so "JE Weider", "JEW", or Jew Weider became nasty slang for Joe as those two sides battled it out.
Some of Paschall's editorials on Joe's early trade in homosexual bodybuilding mags -
https://www.musclememory.com/articles/fairyTale.html .
From Tim Fogarty's site, you'll notice some of his commentary.