Was it author Dean Koontz or author Kurt Vonnegut who used pen names early in their career?
Kurt Vonnegut Kurt Vonnegut Jr. ( ; November 11, 1922April 11, 2007) was an American writer. In a career spanning over 50 years, Vonnegut published 14 novels, three short story collections, five plays, and five works of non-fiction. He is most famous for his darkly satirical, best-selling novel "Slaughterhouse-Five" (1969).
Vladimir Nabokov Vladimir Vladimirovich Nabokov ( ; Russian: Влади́мир Влади́мирович Набо́ков , ] , also known by the pen name Vladimir Sirin; (April 22nd, 1899 — July 2nd, 1977) was a Russian-American novelist and entomologist. His first nine novels were in Russian, but he achieved international prominence after he began writing English prose.