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

R. P. Taylor

B Reactor/100 Area

Taylor worked at the 100-B Area at Hanford during the Manhattan Project. 

Herbert S. Bridge

Los Alamos, NM

Herbert S. Bridge was born in 1919 in Berkeley, California. He earned his B.A. degree from the University of Maryland in 1941.

M. E. Speed

Hanford, WA

Chancellor Bramblett

Y-12 Plant

Chancellor Bramblett worked for the Tennessee Eastman Corporation at the Y-12 Plant.