Born November 26, 1919, in New York, NY; son of Fred George (a salesman) and Anna Jane Pohl; married Doris Baumgardt, 1940 (divorced, 1944); married Dorothy LesTina, August, 1945 (divorced, 1947); married Judith Merril, 1948 (divorced, 1952); married Carol M. Ulf Stanton, September 15, 1952 (divorced, 1983); married Elizabeth Anne Hull (a professor of English), July, 1984; children: Ann (Mrs. Walter Weary), Karen (Mrs. Robert Dixon), Frederik III (deceased), Frederik IV, Kathy. Education: Attended public schools in Brooklyn, NY, "dropped out in senior year." Politics: Democrat. Religion: Unitarian. Military/Wartime Service: U.S. Army Air Forces, 1943-45; received seven battle stars. Memberships: Science Fiction Writers of America (president, 1974-76), Authors Guild (Midwest area representative; member of council, 1975--), British Interplanetary Society (fellow), American Astronautical Society, World Science Fiction (president, 1980-82), American Association for the Advancement of Science (fellow), World Future Society, American Civil Liberties Union (trustee, Monmouth County, NJ, 1968-71), New York Academy of Sciences. Addresses: Homeoffice: 855 S. Harvard Dr., Palatine, IL 60067.
Also coauthor, with Marion Zimmer Bradley, of Elbow Room. Contributor, sometimes under pseudonyms, to Galaxy, Worlds of Fantasy, Science Fiction Quarterly, Rogue, Impulse, Astonishing, Imagination, If, Beyond, Playboy, Infinity, and other magazines.
WITH CYRIL M. KORNBLUTH