Jack Hartpence

Private 1st ClassTinian Island

Wendover, UT

509th Composite GroupManhattan Project VeteranMilitary Veteran

Jack Hartpence served in the 1395th Military Police Company, Aviation.

Related Profiles

August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.

Glen G. Graves

Y-12 Plant

Glen Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Asper A. Artripe

Tinian Island

Asper A. Artripe served in the 603rd Air Engineering Squadron.

Ed Helfenberger

Oak Ridge, TN

Ed Helfenberger worked for the Roane-Anderson Company.