Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Daniel J. Keefe

Security GuardChicago, IL

Manhattan Project VeteranProject Worker/Staff

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

R. S. Leonard

Y-12 Plant

R. S. Leonard worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph H. Leopold

K-25 Plant

Joseph Leopold worked for the Kellex Corporation at the K-25 Plant.

Jack Hefner

Tinian Island

Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.

William A. Smith

Los Alamos, NM