R. Susor
Reprints weekly strips from 5/15/1952 to 5/18/1953; Strip reprints; They’re Living Off Another Planet was written for Popular Science and appeared in the January 1953 issue; B&W; ca. 1991
Letter from the Editor…; Concerning the 40th anniversary of Twin Earths; Twin Earths May 15, 1952- May 23, 1953; They’re Living Off Another Planet
Oskar Lebeck, Robert C. Susor, Don Weldon
Al McWilliams