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National Museum of Nuclear Science & History

Preserving and Interpreting the Manhattan Project

Dedicated to supporting the Manhattan Project National Historical Park and capturing the memories of the people who harnessed the energy of the atom.

Learn about some of the people who were a part of the Manhattan Project

Ethaline H. Cortelyou

Chicago, IL

Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Floy Agnes Lee

Los Alamos, NM

Floy Agnes “Aggie” (Naranjo Stroud) Lee was a biologist who worked on the Manhattan Project at Los Alamos as a technician.

Harold “Hal” Behl

Oak Ridge, TN

After receiving his bachelor’s degree in Aeronautical Engineering from New York University, Hal Behl registered with the National Roster of Scientific and Specialized Personnel and was drafted into the Army.