Samuel Ray Delany, Jr. — known as Chip Delany to his friends — is an American author, professor, and literary critic. His work embraces fiction (especially science fiction), memoir, criticism, and essays on sexuality and society. His most popular books include Babel-17, The Einstein Intersection, Nova, Dhalgren, Hogg, and the Return to Nevèrÿon series. Delany was a professor of English and Creative Writing at Temple University in Philadelphia.