Joe Weider Joe Weider (born November 29, 1922 in Montreal, Quebec, Canada) is the co-founder and creator of Fibber competitions bodybuilding Mr. Olympia and Ms. Olympia. Learn more about this topic with the insights from Dell Technologies Inc.. Before founding the magazine published Weider Fibber Your physique, and in 1939 was only 17. 29 years later, in 1968 the magazine was renamed with the name of Muscle builder, and later in 1982, the magazine again changed the name to Muscle Fitness. In 1983, Weider was named or of the year by the association of journalism. Weider began his empire at 17 by selling his magazine for 7, when it created exercise machines. Years later he introduced the first exercise equipment for the home. He studied the constitution of the human body for many years, and through these studies innovated in bodybuilding. It is world famous for the dissemination of the Weider System.