Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Related Profiles

Daniel Pfaff

Los Alamos, NM

Daniel Pfaff was a staff worker at Los Alamos during the Manhattan Project.

Grace R. Harvey

Chicago, IL

Grace R. Harvey was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. C. Cairnes

T-Plant/200 Areas

Cairnes worked at the 200 West Area at Hanford during the Manhattan Project. 

Byron E. Marsh

X-10 Graphite Reactor

Attended Illinois College.