National Museum of Nuclear Science & History
E. H. Frye worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Grafton worked in the United States Engineer District Office.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.
Burghardt worked in the United States Engineer District Office.
W. H. MacDonald worked for the Union Carbide & Carbon Corporation.
