National Museum of Nuclear Science & History
Joe Romero was a staff worker at Los Alamos during the Manhattan Project.
J. H. Rhodes worked for the J.A. Jones Construction Company.
William Stewart was an engineer in the Special Engineering Detachment at Los Alamos, New Mexico. Specifically, Stewart worked in “Project Trinity” under the leadership of George Kistiakowsky and Kenneth Bainbridge.
Babcock worked in the United States Engineer District.