Franco Columbu\u00a0was born in Sardinia, Italy in 1941.\u00a0 He immigrated to the United States in 1969, becoming a naturalized citizen in 1987. Columbu has earned numerous\u00a0bodybuilding titles, including\u00a0Mr. Olympia, Mr. International, Mr. World,\u00a0Mr. Universe, Mr. Europe, and Mr. Italy, despite his slight stature, usually reported as 5 foot 5 inches, well under that of most bodybuilders. During the 1975 Mr. Olympia competition in Pretoria, South Africa, he was one of the contestants featured in the documentary movie\u00a0Pumping Iron.\u00a0 In one memorable scene of the movie, Franco is shown demonstrating the power of his lungs by inflating a hot water bottle until it exploded.\u00a0 Pumping Iron documented how Columbu went on to win in the under 200 pounds class. When Pumping Iron was released, it gained a wide following, and won him international fame, leading to many other film and television appearances.\u00a0 He often appeared with good friend and fellow competitor\u00a0Arnold Schwarzenegger\u00a0in such movies as Conan the Barbarian and Terminator.\u00a0 As he gained more experience as a performer and became known in the industry, more opportunities resulted in appearances in such television programs as Hustler of Muscle Beach and Streets of San Francisco, as well as numerous commercials and cameo roles. Columbu was not content to develop his body only.\u00a0 Even while training for the Mr. Olympia title, he was enrolled in Chiropractic school.\u00a0 He admirably balanced his coursework with his physical training for the competition. Franco suffered a major setback while competing in the nationally televised World's Strongest Man competition of 1977.\u00a0 Millions of viewers watched in horror as his leg was dislocated during the Refrigerator race event.\u00a0 Major surgery was required to remove a massive amount of muscle in order to fix his leg.\u00a0 Franco\u2019s determination and discipline, coupled with his extensive knowledge of the human body, enabled him to recover and rebuild his muscles in time to win the 1981 Mr. Universe title. With a passion to add to his knowledge and expertise, and to achieve the credentials to help others to be healthy and fit, he earned a PhD in 1982.\u00a0 He has a successful and respected practice as a doctor of chiropractic, specializing in kinesiology and sports injuries. Columbu has served as professional trainer for actors such as Gary Busey, Fred Dryer, and Sylvester Stallone, and maintains his practice in Los Angeles California.\u00a0 He is active in the American Chiropractic Association and the National Health Federation, as well as the International Federation of Bodybuilders, the American Federation of Television and Radio Artists, and the Screen Actors Guild. Franco has remained close friends with his former competitor and costar, Arnold Schwarzenegger, whom he met in Munich in 1965.\u00a0 Franco served as best man at Arnold\u2019s wedding to Maria Shriver in April 1986.\u00a0 In Schwarzenegger's 1993 movie, Last Action Hero, Franco was credited as director of a movie within the movie. In addition to these many achievements, Franco Columbu has written numerous books on topics related to health and fitness, including nutrition, weight training, and power lifting, and is sought after as a speaker on health and bodybuilding throughout the world.