National Museum of Nuclear Science & History
E. L. Robinson worked for the H. K. Ferguson Company.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
Holl worked for Stone and Webster Engineering Corporation.
P. A. Dahlen worked at the 100-D Area at Hanford during the Manhattan Project.
Ahrens worked at the 100 B Area at Hanford during the Manhattan Project.
