Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Martha G. Johnson

Laboratory Technician; Health DivisionChicago, IL

Manhattan Project VeteranProject Worker/Staff

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

Related Profiles

Robert J. Valley

Hiroshima Mission

Robert J. Valley served as a technical sergeant in the 393rd Bombardment Squadron. He was the tail gunner of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.

H. M. Cooper

Hanford, WA

R. F. Conkling

Oak Ridge, TN

R. F. Conkling worked for the J.A. Jones Construction Company.

Alfred Krone

Los Alamos, NM