National Museum of Nuclear Science & History
Otho Doggett worked for the Roane-Anderson Company.
Captain Richard “Dick” Alexander Larkin (USN) was Deputy to William Parsons at Los Alamos, beginning in June of 1945, in preparation for Parsons’ deployment to Tinian.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.