Thomas D. Clareson

Thomas Dean Clareson was an American critic, editor and professor of English, and a founding figure of academic science-fiction studies. Born in Austin, Minnesota, he earned his PhD at the University of Pennsylvania in 1956 and taught at the College of Wooster in Ohio from 1955 until his retirement in 1993. He founded the journal Extrapolation in 1959 and edited it until 1989, and was the first president of the Science Fiction Research Association. His books include Science Fiction in America, 1870s-1930s and studies of Robert Silverberg, Frederik Pohl and John Wyndham. He died in 1993, leaving The Heritage of Heinlein to be finished by Joe Sanders.