Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Robert C. Mann

Project StaffT-Plant/200 Areas

Hanford, WA
Manhattan Project VeteranProject Worker/Staff
T-Plant

Mann worked in the 200 West Area at Hanford during the Manhattan Project.

Related Profiles

Donald Engelkemeior

Chicago, IL

Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. T. Ledford

Y-12 Plant

H. T. Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.

James B. Snodgrass

Los Alamos, NM

James B. Snodgrass was a member of the Mounted Military Police working on site security at Los Alamos and the Trinity test site.

W. Petterson

Oak Ridge, TN

W. Petterson worked for the United States Engineer District Office.