National Museum of Nuclear Science & History
W. M. Miller worked for the United States Engineer District Office.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. T. Harvey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Betty L. Carlson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
