Geoffrey Sill (born October 5, 1944, in Cleveland, Ohio, U.S.A.) is an emeritus professor and past chair of the Department of English at Rutgers University–Camden, where he taught for 40 years. He was president of the Walt Whitman Association in Camden (1980–1985) and is a board member of the Nick Virgilio Haiku Association. He has written extensively on Daniel Defoe, Frances Burney, and the English novel. Sill assisted in the digitization of the typescripts of Nick Virgilio’s unpublished poems on Rutgers University Library’s website and is the author of the Haikupedia article “Nick Virgilio.” He resides in Haddonfield, New Jersey.