Clark Abt

American educationist and researcher (born 1929)

Clark C. Abt (born 31 July 1929; birth name: Claus Peisak) is a German-born American researcher. He became an American citizen in 1945, at age 16, and is known for first formalizing the concept and usages of serious games.²

From Wikipedia’s article on Clark Abt (this version), CC BY-SA 4.0.

Born Aug 31, 1929.¹