Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Ralph B. Larsen

MachinistLos Alamos, NM

Manhattan Project VeteranProject Worker/StaffSpouse to Manhattan Project Worker
Ralph B. Larsen's Los Alamos ID badge photo

Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.

Related Profiles

Edward B. Doll

Tinian Island

Edward B. Doll earned his Ph.D. in Electrical Engineering. Doll worked on Project Alberta in March of 1945.

Theodore Petry

Chicago, IL

Theodore Petry (1924-2018) was a laboratory helper at the Chicago Met Lab. He was recruited while still in high school.

R. Y. Blackwell

Oak Ridge, TN

R. Y. Blackwell worked for the Fercleve Corporation.

Edward W. Bailey

K-25 Plant

Edward W. “Ed” Bailey worked as a chemical engineer at the K-25 plant at Oak Ridge during the Manhattan Project.