Twenty-First Century Science Fiction

David Geddes Hartwell (1941-2016) was an American editor of science fiction and fantasy. He worked for Signet (1971–73), Berkley Putnam (1973–78), Pocket (where he founded the Timescape imprint, 1980–85, and created the Pocket Books Star Trek publishing line), and Tor Books (where he spearheaded Tor's Canadian publishing initiative at CAN-CON in Ottawa, and was also influential in bringing many Australian writers to the US market, 1984-date), and published numerous anthologies. Since 1995, his title at Tor/Forge Books was "Senior Editor." He chaired the board of directors of the World Fantasy Convention and, with Gordon Van Gelder, was the administrator of the Philip K. Dick Award. He held a Ph.D. in comparative medieval literature.

David G. Hartwell was the husband of [author_link_2362].

Patrick James Nielsen Hayden (born Patrick James Hayden, 1959), often abbreviated as PNH, is an American science fiction editor, fan, fanzine publisher, essayist, reviewer, anthologist, teacher and blogger. He is a World Fantasy Award and Hugo Award winner (with nine nominations for the latter award), and is a Senior Editor and the Manager of Science Fiction at Tor Books. He changed his last name to "Nielsen Hayden" on his marriage to Teresa Nielsen (now Teresa Nielsen Hayden) in 1979.