Leon Cooper

Bombardier on the Next ObjectiveTinian Island

Wendover, UT

509th Composite GroupManhattan Project VeteranMilitary Veteran

Leon Cooper served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Next Objective.

Crew A-3, Leon is in the top row, far left. Photo courtesy of Richard H. Campbell and the Janet Chapman Pence Collection from the Air Force Museum.

Related Profiles

Edward Klein

Los Alamos, NM

Raymond L. Brin

Los Alamos, NM

Raymond L. Brin was a Technical Sargeant in the Army’s Special Engineer Detachment. He worked at Los Alamos during the Manhattan Project, and traveled to Tinian Island as a member of Project Alberta.

H. M. Bryans

Y-12 Plant

H. M. Bryans worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. O. Mehann

T-Plant/200 Areas

Mehann worked in the 200 West Area at Hanford during the Manhattan Project.