Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Helena Calloway

Laboratory Assistant; Chemistry DivisionChicago, IL

Manhattan Project VeteranProject Worker/Staff

Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Joseph (J.) Garrott Allen

Chicago, IL

Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L.F. Hulsman

Hanford, WA

H. A. Smith

Oak Ridge, TN

H. A. Smith worked for the J.A. Jones Construction Company.

Thomas Hill

Tinian Island

Thomas Hill served in the 1st Ordnance Squadron.