After the war, Heidenstam continued his career as a physical training instructor and over the years that followed trained not only members of the public but famous sports people and celebrities. He wrote several fitness articles for the
Daily Mirror newspaper, and joined the publishing team of Health and Strength magazine in 1953, a magazine which he became owner of in 1974. He became President of the World Amateur Body Building Association (WABBA) in 1977, President of the
National Amateur Bodybuilders Association (NABBA) in 1980, and President of NABBA International in 1984. Heidenstam was Secretary and President of NABBA when he died in 1991, aged 80. ==Books==