ED LACY (August 25, 1911 - January 7, 1968), born Leonard "Len" S. Zinberg, was an American writer of crime and detective fiction. Lacy, who was white, is credited with creating "the first credible African-American PI" character in fiction, Toussaint "Touie" Marcus Moore. Room to Swing, his 1957 novel that introduced Touie Moore, received the 1958 Edgar Award for Best Novel.