 Larry Niven

Laurence van Cott Niven (; born April 30, 1938) is an American science fiction writer.His best-known works are "Ringworld" (1970), which received Hugo, Locus, Ditmar, and Nebula awards, and, with Jerry Pournelle, "The Mote in God's Eye" (1974) and "Lucifer's Hammer" (1977).