Gene Brewer (born Gene R. Brewer, July 4, 1937) is an American writer, the author of the K-PAX book series, about a man who claims to be a visiting extraterrestrial from a planet called K-PAX: K-PAX (novel) (1995), On a Beam of Light (2001), K-PAX III: The Worlds of Prot (2002), K-PAX IV (2007) K-PAX V: The Coming of the Bullocks (2014) and Prot's Report, a brief natural history of the Earth, which appears in K-PAX: The Trilogy, an omnibus edition of the first three K-PAX books. The first book in the series was made into a film in 2001, starring Kevin Spacey and Jeff Bridges. Source: Wikipedia (en)