National Museum of Nuclear Science & History
William Gray worked for the Roane-Anderson Company.
Ruth Haley worked on the Manhattan Project at Los Alamos. She was married to scientist Jano Haley.
Majory Danberg worked in the stenographic and clerical division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. E. Johnston worked for the United States Engineer District Office.