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National Museum of Nuclear Science & History

Stephen Kosh

CorporalTinian Island

Wendover, UT
509th Composite GroupManhattan Project VeteranMilitary Veteran
North Airfield at Tinian Island.

Stephen Kosh served in the 603rd Air Engineering Squadron.

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Jack Widowsky

Nagasaki Mission

Jack Widowsky served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.

Henry E. Lewis

Tinian Island

Henry E. Lewis served in the 1027th Air Material Squadron.

Richard “Dick” Keramedjian

Los Alamos, NM

Richard’s last name has been misspelled multiple times. Alternative spellings include “Kermadjian” (incorrectly recorded in a Roll Call for the 4617th MP Detachment) and “Karanedjian” (in the first volume of the Los Alamos Times, published March 15th, 1946).

Rozel E. Curtis

Chicago, IL

Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.