Stewart David Nozette (born May 20, 1957) is an American planetary scientist, technologist, and consultant who worked for the United States Department of Energy, the United States Department of Defense, DARPA, the United States Naval Research Laboratory, and NASA. He is also a convicted felon for attempted espionage and fraud against the United States. The FBI arrested him October 19, 2009, charging him with attempted espionage after a sting operation which Nozette's lawyer claims amounted to entrapment