National Museum of Nuclear Science & History
Eva Roberts was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Walter F. Arnold was a staff member at Los Alamos during the Manhattan Project.
Richard Strickland was a staff worker at Los Alamos during the Manhattan Project.
Tompkins worked for Stone and Webster Engineering Corporation.
Ross worked at the 200 East Area at Hanford during the Manhattan Project.