. Robert Scott Lazar (; born January 26, 1959) is an American conspiracy theorist. In 1989, Lazar claimed to have been part of a classified US government project concerned with the reverse engineering of extraterrestrial technology; he also purported to have read government briefing documents that described alien involvement in human affairs over the past 10,000 years. A self-proclaimed physicist, Lazar supposedly worked at a secret site near the United States Air Force facility popularly known as Area 51.
https://en.wikipedia.org/wiki/Bob_Lazar