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National Museum of Nuclear Science & History

Fred C. Dennis

Project StaffY-12 Plant

Oak Ridge, TN
Manhattan Project VeteranProject Worker/Staff
Y-12 beta racetrack.

Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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Jack F. Hansjergen

K-25 Plant

Attended the University of Cincinnati. 

Alan G. Dorsey

Tinian Island

Alan G. Dorsey served in the 320th Troop Carrier Squadron. 

R. W. Lutz

Research & Development/300 Area

Lutz worked in the 300 Area at Hanford during the Manhattan Project.

Carl S. Helrich, Sr.

Oak Ridge, TN

Carl Helrich (1895-1971) was a civil engineer for the J.A. Construction Company from 1943 to 1945 and helped construct the Oak Ridge town site and plant area.