T. R. Disbrow

Gertrude F. Steel

Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H. Norris

William “Bill” J. Knox

William “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. M. Girdler

Girdler worked at the 300 Area at Hanford during the Manhattan Project.