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National Museum of Nuclear Science & History

Related Profiles

Leslie J. Sheeley

Hanford, WA

Willard F. Clark

Los Alamos, NM

​Willard Clark was born in Boston in 1910, but grew up in Buenos Aires, Argentina, where his father was President of the General Motors Argentina Branch.

Helena Calloway

Chicago, IL

Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Kenneth J. Cooper

Tinian Island

Kenneth J. Cooper served in the 1st Ordnance Squadron.