National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
Attended the City College of New York.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
Harry Allen worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
Attended the University of Oklahoma.
