and Robert Silverberg. He won a 1964 Hugo for his work at Ace. In 1965, Wollheim began his annual ΓÇ£yearΓÇÖs bestΓÇ¥ collections of WorldΓÇÖs Best Science Fiction, which he anthologized every year until his death in 1990. In 1971, Wollheim left Ace Books to found Wollheim Books, which he ran until 1985 (to be succeeded
