National Museum of Nuclear Science & History
O. W. Manz, Jr. worked for the Union Carbide & Carbon Corporation.
J. B. McCullough served in the 509th Headquarters and Base Services Squadron.
Wright worked at the 200 West Area at Hanford during the Manhattan Project.
R. G. Humphries worked for the United States Engineer District Office.
O. E. Brueggeman worked for the J.A. Jones Construction Company.