Harry Fishbein

Harry J. Fishbein (April 18, 1897 – February 19, 1976) was an American bridge player and club owner. He used to be a professional basketball player. In teams-of-four competition, Fishbein was a runner-up for the world championship in the 1959 Bermuda Bowl, playing on the United States team in a three-way round-robin among Europe, North America, and South America representatives. Fishbein was "the presiding genius" of the famous Mayfair club [or Mayfair Bridge Club] for more than 20 years" – proprietor of the training ground of experts from 1943 to 1966. As of 1960 he was also ACBL Treasurer.

He developed the Fishbein convention as a defense against preemptive opening bids.