National Museum of Nuclear Science & History
V. J. McDonald worked for the Comstock-Bryant Electric Company.
Winkelman worked for Stone and Webster Engineering Corporation.
Ann Ludie worked for the United States Engineer District Office.
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.