Charles Willard Diffin (1884-1966) US engineer, airplane salesman and writer who graduated with a degree in analytical chemistry from the University of Buffalo, New York. He was most active with the magazines published by William Clayton and Street & Smith. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories, though he rapidly descended into formulaic fiction. His first, "Spawn of the Stars" (February...