Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Opaline Calhoun

Laboratory Technician; Chemistry DivisionChicago, IL

Manhattan Project VeteranProject Worker/StaffWoman Scientist

Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project. She began working under research assistant Phillip Fineman in the Chemistry Divisions’ Section C-1 on September 24, 1945. Within the Section C-1, Calhoun worked in the Control Analysis and Heavy Isotopes Groups from 1945 to 1946. 

For more information about Opaline Calhoun and women of the Manhattan Project, see the following reference:

Related Profiles

Robert S. McClintock

K-25 Plant

Attended Massachusetts Institute of Technology.

G.V. Jackson

Hanford, WA

Olney Dean

K-25 Plant

Olney Dean worked for the Kellex Corporation at the K-25 Plant.

Elsie H. Pierce

Los Alamos, NM

Elsie Pierce was a motor pool driver at Los Alamos during the Second World War. She joined the Women’s Army Corps after her older brother joined the Army.