National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
Keplinger worked in the 100 D Area at Hanford during the Manhattan Project.
Rufus Addison worked for the Edenfield Electric Company.
Robert A. Friedman served in the 603rd Air Engineering Squadron.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
