Wikipedia contributors. (2024, November 7). John von Neumann. In Wikipedia, The Free Encyclopedia. Retrieved 01:44, November 10, 2024, from https://en.wikipedia.org/w/index.php?title=John_von_Neumann&oldid=1255873696
Another Silverberg-Garrett collaboration, “Deus Ex Machina”, credited to “Robert Randall”, took the cover of the November 1956 issue of Science Fiction Quarterly