This etext was produced from Analog Science Fact and Science Fiction April 1961. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.

The following corrections were applied to this text:

Page 55: but awarding the Nobel Prize was, nonetheless{original had nonethelesss}, a mistake ...

Page 56: “It was bound to happen{original had happn} sometime,” Carlstrom said.