John M. Conroy

John Michael "Jack" Conroy (December 14, 1920 – December 5, 1979) was an American aviator and later businessman, whose company Aero Spacelines developed the Pregnant Guppy, Super Guppy, and Mini Guppy cargo aircraft. He later founded Conroy Aircraft and Specialized Aircraft in Santa Barbara, California.

He died December 5, 1979, of colon cancer. Provided by Wikipedia