Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Mary M. Dailey

Research Assistant; Health DivisionChicago, IL

Manhattan Project VeteranProject Worker/Staff
Chicago Pile-1

Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project. She was one of ten female scientists to sign the Szilard Petition, a document written by physicist Leo Szilard that attempted to prevent the United States from dropping the atomic bombs on Japan. 

Related Profiles

Clarence Sproul

Los Alamos, NM

Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.

I. H. Jacobson

Tinian Island

I. H. Jacobson served in the 390th Air Service Group. 

Stanley Holbrook

Los Alamos, NM

Howard M. Smith

Hanford, WA