Mostly self-taught, Patrick Cokayne Keely designed posters for London Transport, the Southern Railway, the Post Office and British Aluminium Co. During the war, Keely, like Tom Eckersley, worked for ROSPA, designing posters for accident prevention. His best known being Lookout in the Blackout. He was a member of the Society of Industrial Artists and Artistes Graphiques Internationales. Part of his work is kept in the National Archives, London.