Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Carl S. Helrich, Sr.

Civil EngineerOak Ridge, TN

Manhattan Project Veteran
The K-25 Plant in Oak Ridge, Tennessee

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. He was a World War I veteran and was named a project manager for different aspects of Oak Ridge's construction. After the war, Helrich made Oak Ridge his home and stayed there for the remainder of his life. 

Related Profiles

Harold H. Smith

Los Alamos, NM

Harold Smith served in the Army at Los Alamos during the Manhattan Project.

Helen Pellock

Chicago, IL

Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.

H. F. Cleary

Oak Ridge, TN

Cleary worked for Stone and Webster Engineering Corporation.

Anna E. Oliver

Los Alamos, NM

Anna Oliver served in the Women’s Army Corps at Los Alamos during the Manhattan Project.