'Pumping Iron' author Charles Gaines, whose book and film popularized the world of bodybuilding, dies at 84

NEW YORK — Charles Gaines, the author whose book and documentary "Pumping Iron" helped bring professional bodybuilding into the mainstream and introduce Arnold Schwarzenegger to the world, has died. He was 84. Gaines died Tuesday, according to Greta Gaines, the author's daughter. She did not reveal a cause. "You always marched to your own drummer and inspired everyone around you to do the same," she wrote in a tribute to her father. "Follow that bliss, catch that fish and kiss those lips while…