Painter, designer and teacher, born in Wealdstone, Middlesex. He studied at Harrow Technical and Art School under John Gerald Platt. After Army service in World War II held a number of teaching posts, following a period as a freelance, becoming head of the design department at Manchester College of Art and Design. As well as having work reproduced in many publications Howorth showed at RA, ROI and widely in the provinces. Lived in Knutsford, Cheshire.