National Museum of Nuclear Science & History
L. C. Manley worked for the Edenfield Electric Company.
M. G. Mastin worked for the Fercleve Corporation.
Collins worked at the 300 Area at Hanford during the Manhattan Project.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
L. T. Robinson worked for the Tennessee Eastman Corporation at the Y-12 Plant.