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

Reuben McCord

Oak Ridge, TN

Reuben McCord was a chemist who worked at several Manhattan Project sites. After graduating from Erskine College in South Carolina, he was recruited to work at the University of Chicago Metallurgical laboratory.

A. K. Ericson

B Reactor/100 Area

A. K. Ericson worked at the 100-F Area at Hanford during the Manhattan Project.

C.F. Gabel

Hanford, WA

R. E. Francis

Tinian Island

R. E. Francis served in the 390th Air Service Group.