National Museum of Nuclear Science & History
C. C. Sullins worked for the Combustion Engineering Company.
Ryan worked at the 200 West Area at Hanford during the Manhattan Project.
H. L. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Nelson F. Hagar served in the 393rd Bombardment Squadron.
