National Museum of Nuclear Science & History
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
H. G. Kercher worked for the J.A. Jones Construction Company.
Louis B. Allen served as a Second Lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Strange Cargo.