Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Cordell W. Callahan

1st Ordnance SquadronTinian Island

Los Alamos, NMWendover, UT
509th Composite GroupManhattan Project VeteranMilitary Veteran
North Airfield at Tinian Island.

Cordell W. Callahan served in the 1st Ordnance Squadron.

Related Profiles

Claude E. McLenon

Tinian Island

Claude E. McLenon served as a technical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.

James R. King

K-25 Plant

Attended Purdue University.

C. O. Mathany

Hanford, WA

Minnie M. Daniels

Chicago, IL

Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.