National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
M. C. Labarr worked for the Kellex Corporation at the K-25 Plant.
Baker worked at the 300 Area at Hanford during the Manhattan Project.
J. C. Little worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A staff worker at Los Alamos and brother of Theodore Perlman who also worked on the Manhattan Project.
