Painter, etcher and teacher, who attended Glasgow School of Art and Royal College of Art, winning a number of awards, then studied widely on the continent. He was supervisor of art in schools for Ayrshire Education Authority, taught art at Irvine Royal Academy and Ayr Academy, living in Ayr. Lyon was a member of Glasgow Art Club, president of Ayr Sketch Club and exhibited at RSA, Royal Glasgow Institute of the Fine Arts, RSW and Paris Salon. Was also a keen amateur cellist. Cyril Gerber Fine Art included his oil Low Tide, Dunure, in First of the Summer Wine in 2000.