National Museum of Nuclear Science & History
H. R. Koonce worked for the J.A. Jones Construction Company.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold J. Lindsay served in the 393rd Bombardment Squadron.
Riser worked at the 200 West Area at Hanford during the Manhattan Project.
Donald Hurst worked for the Tennessee Eastman Corporation at the Y-12 Plant.