National Museum of Nuclear Science & History
William Jacob was a staff worker at Los Alamos during the Manhattan Project.
James Roberts was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Thomas Velasquez was a staff worker at Los Alamos during the Manhattan Project.
Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.
Hockett worked for Stone and Webster Engineering Corporation.