Frederik Pohl was born in 1919 and has been professionally involved in sf as an editor and writer since his teens. Among his many books are A Plague of Pythons, Gateway, Man Plus and JEM: The Making of a Utopia. C.M. Kornbluth (1923-1958) was the bureau chief of a Chicago news agency until 1951 when he took up fiction writing full time. He established himself very quickly as a brilliant short-story writer with works such as The Little Black Bag , The Marching Morons , The Cosmic Charge Account and Two Dooms . Pohl and Kornbluth started writing stories together in 1940 and their collaborations include The Space Merchants, Search the Sky and Gladiators-at-Law.