Gordon B. Ingram (December 30, 1924 – November 4, 2004) was an American inventor and entrepreneur. He was the founder of Military Armament Corporation, the creator of the MAC-10 and MAC-11 machine pistols, and is widely credited with repopularizing the submachine gun.Gordon B. Ingram was born in Los Angeles, California. His first foray into the weapons design world was during his years of service in the United States Army.