Thaddeus K. Seweryniak

First Ordnance SquadronTinian Island

Wendover, UT

509th Composite GroupManhattan Project VeteranMilitary Veteran

Thaddeus J. Seweryniak served in the First Ordnance Squadron.

Related Profiles

Secundino Roybal

Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.

A.J. Schwertfeger

Al R. Threadgill

Al Threadgill worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Elizabeth Davalos