Astounding Science Fiction May 1953 (Volume 51, Number 3)
Illustrations by Dreany, Paul Orban, Pawelka, Schecterson, H. R. van Dongen. Cover by Austin Baer.

Article: "Space, Time and Education" by John E. Arnold.

Novelette: "Medicine Show" by Robert Moore Williams.

Stories: "Multifarious" by Algis Budrys
"Lady with a Past" by Irving Cox, Jr.
"Operating Instructions" by Robert Sheckley.

Serial: "Mission of Gravity" (Part 2 of 4) by Hal Clement (first of the "Barlennan" stories.)

John W. Campbell's editorial is "Thinking Machine"; Book reviews by P. Schuyler Miller.