Gin rummy
Gin rummy, or simply gin, is a two-player card game created in 1909 by Elwood T. Baker and his son C. Graham Baker. According to John Scarne, Gin evolved from 19th-century Whiskey Poker and was created with the intention of being faster than standard rummy but less spontaneous than knock rummy. John Scarne's theory deriving Rummy from Poker through the medium of Whiskey Poker has not gained general acceptance.