1974 book led to making of seminal documentary and introduced Arnold Schwarzenegger to the world 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. G...
Source: [Guardian World](https://www.theguardian.com/books/2026/jul/22/charles-gaines-pumping-iron-author-arnold-schwarzenegger)