National Museum of Nuclear Science & History
M. E. Brennan worked for the Watson-Flagg Engineering Company.
Luin W. Hough was a photographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. B. Kaiser worked for the Midwest Piping and Supply Company.
Hyman H. Goldsmith (1907-1949) was an American physicist. In 1943, Goldsmith became coordinator of information for the Metallurgical Lab in Chicago.
Marion Long worked for the Tennessee Eastman Corporation at the Y-12 Plant.