National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Zacovie worked at the 300 Area at Hanford during the Manhattan Project.
W. K. Blair worked for the Roane-Anderson Company.
Arthur Levy was a member of the Special Engineering Detachment responsible for developing high explosive casting procedures for the Fat Man plutonium bomb at S-Site at Los Alamos.
Joseph was a staff member at Los Alamos during the Manhattan Project.