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Story summary
- Charles Gaines, 84, died on Tuesday, his daughter Greta confirmed.
- Gaines co-authored the 1974 book *Pumping Iron* with George Butler, which inspired the 1977 documentary showcasing Arnold Schwarzenegger’s rivalry with Lou Ferrigno for the Mr. Olympia title.
- Schwarzenegger posted on Instagram praising Gaines’s adventurous spirit and crediting him with introducing bodybuilding, while Gaines earned a bachelor’s from Birmingham-Southern College and an MFA from the University of Iowa.
