By Megan Garvey

Joe Weider, who made millions from a fitness empire and mentored a young Austrian bodybuilder who went on to become a major movie star and governor of California, has died.

Weider, 93, passed away Saturday of heart failure at his home in Los Angeles, according to a news release. The multimillion-dollar publishing empire he built included Muscle and Fitness, Flex, Shape, and Men’s Fitness magazines.

His death was marked by his protege Arnold Schwarzenegger, who called Weider “the godfather of fitness.”