National Museum of Nuclear Science & History
H. F. Jacobsen worked for the Union Carbide & Carbon Corporation.
Slade J. DeLaney served in the 320th Troop Carrier Squadron.
McCann worked in the 200 East Area at Hanford during the Manhattan Project.
Joe M. Massengill served in the 603rd Air Engineering Squadron.
Charles Maier was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
