What do you do if you've invented a bulletproof vest that people aren't convinced will work? If you're Richard Davis, you get a gun and shoot yourself in the stomach
They were four inventors who made lives safer for firefighters and police officers, surgery more comfortable for patients, and dreams of flying a reality for thrill- seekers. But before their revolutionary ideas of lightweight body armor, firefighter masks, modern anesthesia, and the wingsuit could be approved, they needed to be put to a life-and-death field test. Meet the men who set out to get rich or die trying, as we celebrate pioneers whose high-risk, high-reward innovations changed the world, and made millions.
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