National Museum of Nuclear Science & History
E. L. Hile worked for the Fercleve Corporation.
Lindsay worked for Stone and Webster Engineering Corporation.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Warren worked at the 200 West Area at Hanford during the Manhattan Project.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
