National Museum of Nuclear Science & History
O. W. Manz, Jr. worked for the Union Carbide & Carbon Corporation.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
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.
Nestor worked for Stone and Webster Engineering Corporation.