Jerry Pournelle (1933-2017) was an American science fiction writer, essayist, and journalist who contributed for many years to the computer magazine Byte. He wrote the popular Janissaries and CoDominium series and was the coauthor of several bestselling science fiction novels, including Lucifer's Hammer, The Mote in God's Eye, and the New York Times bestseller Footfall. He had advanced degrees in engineering, political science, statistics, and psychology and, in addition to his career as a fiction writer, had for many years written columns on both politics and technology.