John B. Riddle

Research AssistantChicago, IL

Manhattan Project VeteranProject Worker/StaffScientist

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

Related Profiles

D. MacDonald

MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.

Edward Wilder, Jr.

Hoylande Young Failey

Hoylande Young Failey was a senior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

A. J. Giustetto