Donald A. Wollheim was a highly influential editor and publisher in the science fiction field, founding two major publishing houses, Ace Books and DAW Books, which significantly shaped the genre's landscape.
Did Donald A. Wollheim use any pen names?
Donald A. Wollheim wrote under several pseudonyms, including David Grinnell, Martin Pearson, and Millard Verne Gordon, often for his early short stories and collaborations.
