Short story. Charles Schneeman, illustrator. Appeared in the anthologies [i]A Treasury of Science Fiction[/i], edited by Groff Conklin, published in 1948, reprinted in 1951; [i]Gates to Tomorrow[/i], edited Andre Norton and Ernestine Donaldy, published in 1973; [i]A Treasury of Science Fiction[/i], edited by Groff Conklin, published in 1980; [i]The SFWA Grand Masters, Volume 1[/i], edited by Frederik Pohl, published in 1999.