National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
C. D. Luke worked for the United States Engineer District Office.
A. G. Kammer worked for the Union Carbide & Carbon Corporation.