Urpo Koskela

Richard Lyon

Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Lloyd R. Davis

Thaddeus K. Seweryniak

Thaddeus J. Seweryniak served in the First Ordnance Squadron.

Ethol Strom

Ethol Strom was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.