National Museum of Nuclear Science & History
H. Hoessly worked for the Roane-Anderson Company.
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.
V. E. Howard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arthur Sievert worked for Hanley & Company.