National Museum of Nuclear Science & History
Saul Efron worked for the Roane-Anderson Company.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
Herrin worked at the 200 East Area at Hanford during the Manhattan Project.
Kidder worked in the 100 D Area at Hanford during the Manhattan Project.
