National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
J. M. Nuding worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
