 Much quoted from his writings as well as tossed-off quips, Rennie was a member of The Newspaper Guild from its founding in 1933.He served on the board of directors of the Baseball Writers' Association of America, and was frequently on the yearly selection committee for Most Valuable Player and the Honor Roll, and was on the executive committee of the New York Chapter.He was born Cecil Claire Rutherford Rennie on August 8, 1897, in Toronto, the son of Scottish-born parents James Rennie, a coachman-driver, and Christina Rutherford, a cook, both in domestic service.