Sid Sackson (1920-2002) was an American game designer and collector. His 1969 book "A Gamut of Games" remains an industry classic. Sackson's life and work are revered by serious gamers and game designers around the world. His best-known games include Acquire, Sleuth, and Take Five, as well as the abstract strategy board game Focus, which received the prestigious German Spiel des Jahres game design award in 1981.