National Museum of Nuclear Science & History
O. A. Kincaid worked for the J.A. Jones Construction Company.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Raymond G. Gallagher served as a sergeant in the 393rd Bombardment Squadron. He was assigned to the Great Artiste as a gunner and assistant flight engineer.
Grimsrud worked at the 300 Area at Hanford during the Manhattan Project.
