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 sub-orbital spaceplane SpaceShipOne, which won the Ansari X-Prize in 2004 for becoming the first privately funded spacecraft to enter the realm of space twice within a two-week period. He has five aircraft on display in the National Air and Space Museum in Washington, D.C., United States: SpaceShipOne, the Virgin Atlantic GlobalFlyer, Voyager, Quickie, and the VariEze.He received Daniel Guggenheim Medal in 2011 for a distinguished career of highly innovative and successful flight vehicles ranging from home-built designed to Voyager and SpaceShipOne.