National Museum of Nuclear Science & History
William Schafer was a staff worker at Los Alamos during the Manhattan Project.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Attended the University of Nebraska.
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
