Winner of the Sandow bodybuilding competition, Mr. Murray. (Photo by Reinhold Thiele/Thiele/Getty Images). Circa 1905

A bodybuilder lifting weights. (Photo by General Photographic Agency/Getty Images). Circa 1940

The muscle bound Mr. Eggleton, manager of Sandows physical school. (Photo by Reinhold Thiele/Thiele/Getty Images). Circa 1905

A German athlete exercising at the Berlin Stadium. (Photo by General Photographic Agency/Getty Images). Circa 1935

World heavyweight champion Joe Louis (1914–1981) admires the flexed bicep of Charles Atlas, considered by some to be the world's most perfectly developed man, at Madame Bey's Camp in Summit, New Jersey. (Photo by Keystone/Getty Images). 1938

The strong man, Hans Luber, training in the gymnasium. (Photo by Hulton Archive/Getty Images). 1940

Competitors in the Mr. Universe competition seen here lined up for the pre-judging at London's Royal Hotel. (Photo by Edward Miller/Getty Images). 1961

Mr Britain, Terry Parkinson and Miss Britain, Norma Walker, holding their trophies at the close of the competition organised by the Health and Strength league. (Photo by Keystone/Getty Images). 1964

Body-builder Leo Robert, holder of the Mr. Universe title, flexing his muscles while looking at his reflection in a large mirror in a gymnasium. (Photo by Alan Oxley/BIPs/Getty Images). 1955

James Lawrie, a competitor in the Mr. Universe competition. (Photo by Davis/Express/Getty Images). 3rd September 1951

Contestants for the Mr. Universe title parade at the St Pancras Assembly Rooms, London. (Photo by Keystone/Getty Images). 17th September 1971

Jack Delinger, ex “Mr. America” flexes his muscles before Mrs Sheila Saunders of Clapham. Mrs. Saunder's husband is taking part in the “Mr. Universe” competition at the London Palladium. (Photo by Keystone/Getty Images). 15th June 1956

Hubert Dennis, Jamaican entry in the Mr. Universe Contest, flexes his muscles at a London hotel. (Photo by Fox Photos/Getty Images). 20th September 1963

Serge Nubret, a contestant in the Mister Universe contest flexes his muscles during the preliminary judging stage. (Photo by Keystone/Getty Images). 17th September 1976

Shigeru Sugita, a Japanese contestant in the National Amateur Bodybuilders' Association “Mister Universe” contest at London's New Victoria theatre. (Photo by David Ashdown/Keystone/Getty Images). 17th September 1976