Born in Southend, Martyn was an aviation enthusiast since childhood, becoming an experienced
designer of model aircraft at the age of eighteen for Contest Kits of Leigh-on Sea. His particular
interest was free-flight rubber competition, an interest he pursued all his life.
After a degree in aeronautical engineering from London University, he trained as an airframe
structures engineer at Handley Page, working in the stress office on the Victor programme and other
projects. He chaired Hert...