Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Walter M. Longfelt

LaborerChicago, IL

Manhattan Project VeteranProject Worker/Staff

Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Edmund J. Zachewicz

Los Alamos, NM

George Svilha

Chicago, IL

B. Roswell Russell worked in the Health Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.

R.J. Shine Jr.

Hanford, WA

Donald Ames

Chicago, IL

Donald Ames joined the Manhattan Project as a G.I. at the University of Chicago in 1943. Ames worked under Nobel Prize chemist Glenn Seaborg at the Metallurgical Laboratory, where he helped determine the chemical properties of plutonium and developed a rapid method for measuring the radium concentration in solutions.