National Museum of Nuclear Science & History
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
Naomi Livesay French was an American mathematician. During the Manhattan Project, she worked at Los Alamos for a group in the theoretical division responsible for performing calculations in connection to the theory of implosion.
J. J. Fritz worked for the Union Carbide & Carbon Corporation.