 Di Fate calls his 1997 book "Infinite Worlds" "the first comprehensive history of science fiction art in America".Di Fate won the Hugo Award for Best Professional Artist at the 1979 World Science Fiction Convention (for 1978 work) and was nominated ten times from 1972 to 1985.For his lifetime contributions he won the Edward E. Smith Memorial Award for Imaginative Fiction (the Skylark) from the New England Science Fiction Association in 1987 and the Chesley Award from the fantasy and science fiction artists in 1998.