National Museum of Nuclear Science & History
Mack worked at the 300 Area at Hanford during the Manhattan Project.
Howe worked at the 300 Area at Hanford during the Manhattan Project.
Dorothy C. Johnson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles W. Rich served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.