"Secrecy as deep as this is past possibility without nonexistence as well."
— Isaac Asimov

January 1, 1970

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Science fiction authors from the United StatesHumanistsScience authorsDetective fiction authorsBiochemists
Original Language: English

Sources

Chapter 1 “Two Men and the Mule”; in part I, “Search by the Mule” originally published as “Now You See It—” in Astounding (January 1948)