Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Mary E. Karraker

Project StaffHanford, WA

Oak Ridge, TNY-12 Plant
Manhattan Project VeteranProject Worker/Staff
The Alpha Racetrack at the Y-12 Plant in Oak Ridge, Tennesee

Mary Karraker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Related Profiles

Seymour Bernstein

K-25 Plant

Seymour Bernstein (1923-2015) was an American chemical engineer who worked on the Manhattan Project. He was a member of the Special Engineer Detachment at Oak Ridge and worked as a laboratory supervisor at the K-25 Plant.

J. W. Bell

T-Plant/200 Areas

Bell worked at the 200 West Area at Hanford during the Manhattan Project. 

Sherman Fried

Chicago, IL

Sherman Fried was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Edwin W. Konkle

Tinian Island

Edwin W. Konkle served in the 320th Troop Carrier Squadron.