William Hamman watches data on a computer as he supervises doctors during a cardiology simulation. (AP/Gregory Smith)

He seemed like Superman, able to guide jumbo jets through perilous skies and tiny tubes through blocked arteries. As a cardiologist and United Airlines captain, William Hamman taught doctors and pilots ways to keep hearts and planes from crashing.

He shared millions in grants, had university and hospital posts, and bragged of work for prestigious medical groups. An Associated Press story featured him leading a teamwork training session at an American College of Cardiology convention last spring.

But it turns out Hamman isn’t a cardiologist or even a doctor. The AP found he had no medical residency, fellowship, doctoral degree or the 15 years of clinical experience he claimed. He attended medical school for a few years but withdrew and didn’t graduate. Get the full story »