John Grimek, known as the Monarch of Muscledom for five decades, was probably the most revered bodybuilder of all-time. Grimek was so far ahead of other bodybuilders that the rules had to be changed after he won the Mr. America title in 1940 and 1941, to prevent him from dominating the competition for years to come. In addition to being the only two-time Mr. America, he was a national champion and member of the United States Olympic weightlifting team in Berlin (1936). He was chosen "Mr. Universe" at the 1948 Olympic games in London, before going on to win the "Mr. USA" title in Los Angeles in 1949 against the finest professional bodybuilders in the world. The later victory left him as the undisputed best physique in the world, and perhaps the best built man of all time. He retired as the only bodybuilder in history who was never defeated in a contest