His source of supply was John Ziegler , a physician working for a Swiss pharmaceutical company associated with the CIA .
U.S. bodybuilder John Grimek becomes the first strength athlete known to have used anabolic steroids on a regular and systematic basis .
John Grimek 's source of supply was John Ziegler , a physician working for a Swiss pharmaceutical company associated with the CIA .
U.S. bodybuilder John Grimek becomes the first strength athlete known to have used anabolic steroids on a regular and systematic basis .