National Museum of Nuclear Science & History
Lt. Col. Thomas John Classen served as a lieutenant colonel in the 393rd Bombardment Squadron. By 1943, Tom was the captain of the 72nd Squadron.
L. A. Darling worked at the 100-B Area at Hanford during the Manhattan Project.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
