Elbert Leander "Burt" Rutan (born June 17, 1943) is an American aerospace engineer noted for his originality in designing light, strong, unusual-looking, energy-efficient aircraft. He designed the record-breaking Voyager, which was the first plane to fly around the world without stopping or refueling, and the orbital spaceplane SpaceShipOne, which won the Virgin Galactic X-Prize in 2004. He has five aircraft on display in the National Air and Space Museum: SpaceShipOne, the Virgin Atlantic GlobalFlyer, Voyager, Quickie, and the VariEze