Mike Mentzer (November 15, 1951 – June 10, 2001) was an American IFBB professional bodybuilder, businessman and author.br Born November 15, 1951br Ephrata, Pennsylvania, USbr Died June 10, 2001 (aged 49)br Rolling Hills, California, USbr Professional careerbr Pro-debut IFBB Southern Pro Cup[4]1979br Best win IFBB Mr. Olympia heavyweight champion[1]1979br Predecessor Robby Robinsonbr Successor Arnold Schwarzeneggbr Ray Mentzer (August 3, 1953 – June 12, 2001) was the 1976 Junior Mr. America, 1978 IFBB Mr. USA and was winner of the 1979 AAU Mr. America competition.[1] Ray's brother, Mike Mentzer won the rival IFBB Mr. America in 1976 during Ray's Junior title.br br He was a proponent of heavy duty training along with Mike and although retiring from competition in 1982, carried on training to the heavy duty high intensity principles. In 1983, he flew to Florida in order to be trained by Arthur Jones. At a bodyweight of a then unthinkable 250 plus pounds, he added even more muscle within a month. At one time, training for just six weeks, he squatted 902 pounds for 2 repetitions.br br He died from kidney failure, a complication resulting from Berger's disease.