National Museum of Nuclear Science & History
Barrett worked for Stone and Webster Engineering Corporation.
Henry P. Blake served in the 1st Ordnance Squadron.
Mildred McNamara was a secretary in Oak Ridge, Tennessee from 1942 to 1946. Mildred Catherine Wilton was born in Somerville, Massachusetts in August 1895.
Edith Tenney was a nurse at Los Alamos during the Manhattan Project. She was married to SED Gerold Tenney.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
