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

W. J. Pellow

Tinian Island

W. J. Pellow served in the 390th Air Service Group.

John W. Calkin

Los Alamos, NM

​John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.

Thomas R. Williams

Chicago, IL

Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Marcella Henderson

Hanford, WA