National Museum of Nuclear Science & History
M. E. Ober worked for the J.A. Jones Construction Company.
Harold Smith served in the Army at Los Alamos during the Manhattan Project.
Wilford A. Orr served in the 320th Troop Carrier Squadron.
George J. Weignandt served in the 393rd Bombardment Squadron.
Spofford G. English was an American chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge during the Manhattan Project.