Oswald "Ozzie", "Jake" Jacoby (December 8, 1902 – June 27, 1984) was an American contract bridge player and author, considered one of the greatest bridge players of all time and a key innovator in the game, having helped popularize widely used bidding moves such as Jacoby transfers. He also excelled at, and wrote about, other games including backgammon, gin rummy, canasta, and poker. He was from Brooklyn, New York and later lived in Dallas, Texas. He was the uncle of activist and author Susan Jacoby, as well as father of James Jacoby, an author and world-class bridge player in his own right. Source: Wikipedia (en)