National Museum of Nuclear Science & History
Leamon Babb was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.
Raymond L. Brin was a Technical Sargeant in the Army’s Special Engineer Detachment. He worked at Los Alamos during the Manhattan Project, and traveled to Tinian Island as a member of Project Alberta.