Eugene Stoner, American engineer and weapons designer, designed the AR-15 rifle (d. 1997)
Eugene Morrison Stoner (November 22, 1922 – April 24, 1997) was an American firearms designer who is most associated with the development of the ArmaLite AR-15 rifle that was redesigned and modified by Colt's Patent Firearm Company (now known as Colt's Manufacturing Company, LLC) for the US military as the M16 rifle.