National Museum of Nuclear Science & History
Clarence Yohn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Rose worked as a welder at the Allis-Chalmers Manufacturing Company in West Allis, Wisconsin from November 1943 to April 1946.
Ernest W. Frey served in the 393rd Bombardment Squadron.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.