No one thinks Spence Olham is really Olham, but he does... They think he's an imposter, a spy for the Outspacers from Alpha Centauri.

Published in Astounding, June 1953. Reprinted in:

• Robots, Androids, and Mechanical Oddities, Southern Illinois University Press 1984
• Philosophy and Science Fiction, ed. Michael Philips, Prometheus 1984
• Isaac Asimov Presents the Great SF Stories: 15 (1953), ed. Isaac Asimov & Martin H. Greenberg, DAW 1986
• Great Science Fiction of the 20th Century, ed. Robert Silverberg & Martin H. Greenberg, Crown/Avenel 1987
• The Collected Stories of Philip K. Dick, Vol. Two: Second Variety (1987)
• Isaac Asimov’s Wonderful Worlds of Science Fiction #10: Invasions, ed. Isaac Asimov, Martin H. Greenberg & Charles G. Waugh, Penguin/Roc 1990
• The Collected Stories of Philip K. Dick, Volume 2: We Can Remember It for You Wholesale (1990)
• Cyber-Killers (1997)