Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John L. O’Gara

LieutenantOak Ridge, TN

Manhattan Project VeteranMilitary VeteranProject Worker/Staff
The Chapel on the Hill in Oak Ridge

John O’Gara worked for the United States Engineer District Office.

Related Profiles

Rebecca Bradford Diven

Los Alamos, NM

Rebecca Diven graduated from USC in June of 1941, and became entangled with national defense work at CalTech in 1943.

L. A. Castellanos

Oak Ridge, TN

L. A. Castellanos worked for the J.A. Jones Construction Company.

J. Robert Oppenheimer

Los Alamos, NM

J. Robert Oppenheimer (1904-1967) was an American theoretical physicist.  During the Manhattan Project, Oppenheimer was director of the Los Alamos Laboratory and responsible for the research and design of an atomic bomb.

Judd C. Nevenzel

Los Alamos, NM

Judd Nevenzel was a staff worker at Los Alamos during the Manhattan Project.