National Museum of Nuclear Science & History
Daniel Mullane worked in Los Alamos from 1943 to 1945 as a technician. He helped develop a source holder for the uranium gun-type bomb before moving back to Detroit after the war.
Dorothea “Dot” Hoover Seybolt was the wife of metallurgist Alan Seybolt, who worked at Los Alamos during the Manhattan Project.
Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.
Doris Dixon was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.