Co-invented a process for making monoplane fuselages and helped design the F-1 flying boat in 1916 while working for the Loughead Aircraft Company (later renamed Lockheed).
Assumed the role of Chief Engineer at Lockheed in 1927 and built the Vega monoplane.
Owned the Avion Company which he later sold and renamed the Northrop Aircraft Corporation.
Designed the first flying wing and the Alpha and Beta monoplanes.
Formed his own corporation again in 1932 as a subsidiary of Douglas and built the Gamma, Delta transport, and the Dauntless dive-bomber.
Formed Northrop Aircraft, Inc. in 1939 where he built the first successful N-1M flying wing and the XP-56 flying wing fighter.
Created the first US rocket-powered aircraft, the JB-10 flying bomb, the P-61 Black Widow night fighter and the XP-79 flying wing fighter.
Founded the Northrop Institute of Technology after World War II and completed the XB-35 flying wing bomber. He later built the jet-propelled XB-49 flying wing bomber and the Snark, America’s first inertial-guided intercontinental ballistic missile.
Built the X-4 research plane that NASA and the Air Force’s famed Chuck Yeager (enshrined 1973) used to investigate near-sonic flight.