James Carlson

James Carlson was a character in Grey's Anatomy 2-part episode It's the End of the World and As We Know It. He was the man who effectively put the hospital on Code Black.

Life
He had a interest in World War 2 era objects, successfully building a cannon with his friend Tom. Although it didn't work at first when they lit the cannon, he checked out the front of the cannon, then it went off, impaling him with a bazooka and seriously endangering many lives as the bazooka did not denotate.

Bomb Threat
At Seattle Grace Hospital, he was knocked unconscious and stayed under anesthesia while the bomb squad, Burke, and Hannah Davies all gathered around him, Hannah with her hand inside of him, trying to stop the bleeding. She ended up holding a bazooka and later on after almost breaking down, Meredith Grey took over. He survived the surgery after the bomb removal.