National Museum of Nuclear Science & History
Frank Gerhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. H. Russell worked for the United States Engineer District Office.
William Hinch was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. D. Carr worked for the Roane-Anderson Company.
