Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John B. Riddle

Research AssistantChicago, IL

Manhattan Project VeteranProject Worker/StaffScientist
Painting of CP-1.

John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Related Profiles

William Dunnagan

Tinian Island

William Dunnagan served in the 603rd Air Engineering Squadron. 

Robert L. Griffith

Y-12 Plant

Robert Griffith worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C. W. Hasty

Hanford, WA

Sherman Winters

Chicago, IL

Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.