National Museum of Nuclear Science & History
H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John William Starner joined the Manhattan Project in December 1943 as a member of the Special Engineer Detachement at Los Alamos.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.
B. Speyers worked for the Union Carbide & Carbon Corporation.