Happy 50th Birthday Incredible Hulk : NPR

Fifty years ago this month, comic book artists Stan Lee and Jack Kirby introduced the Incredible Hulk to the world. The Hulk is the volatile alter ego of Dr. Bruce Banner, a physicist who's inadvertently exposed to radiation. As a result, whenever Dr. Banner gets angry or upset, he transforms into a giant, raging monster, capable of stunning feats of strength.