Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

James W. Helms

Technician 5th GradeLos Alamos, NM

Manhattan Project VeteranMilitary VeteranProvisional Engineer Detachment

Related Profiles

Ralph R. McCoy

Tinian Island

Ralph R. McCoy served in the 393rd Bombardment Squadron.

Eleanor F. Caldwell

Chicago, IL

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

J. W. O’Rourke

Hanford, WA

D. A. McGinnis

Hanford, WA