National Museum of Nuclear Science & History
H. L. Ray worked for the Kellex Corporation at the K-25 Plant.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Orin R. Barrett served in the 393rd Bombardment Squadron.
Richard Pershing served in the Army at Los Alamos during the Manhattan Project.
