Keith Laumer

Keith Laumer was an American science fiction author known for his humorous and adventure-driven stories, including the popular Retief series. Before becoming a full-time writer, he served in the U.S. Army during World War II, later in the U.S. Air Force, and also worked in the U.S. Foreign Service. He wrote prolifically throughout the 1960s and 1970s, though his output declined after a stroke in 1971.