Crossword clue: united states writer (born in russia) noted for his science fiction (1920-1992)
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
asimov
6 letters
wn-def
United States writer (born in Russia) noted for his science fiction (1920-1992)