Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Ralph G. Steinhardt, Jr.

Special Engineer DetachmentLos Alamos, NM

Manhattan Project VeteranMilitary VeteranSpecial Engineer Detachment

Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

Related Profiles

Ruth M. Rottman

Chicago, IL

Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

W. W. Steed

Y-12 Plant

W. W. Steed worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J. Allen Kelley

Hanford, WA

A. C. Hudson

Oak Ridge, TN

A. C. Hudson worked for the Roane-Anderson Company.