National Museum of Nuclear Science & History
Charles Swenson worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
L. M. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Atkinson worked at the 300 Area at Hanford during the Manhattan Project.
Mars worked for Stone and Webster Engineering Corporation.
Edward Wiggers was a staff worker at Los Alamos during the Manhattan Project.