H. A. McPhail

John F. Streib

John Streib was a staff worker at Los Alamos during the Manhattan Project.

Edward Tarnacki

J. P. Underwood

J. P. Underwood worked for the Roane-Anderson Company.

Frederick Ashworth

Frederick Ashworth (1912 – 2005) was a Vice Admiral in the US Navy. Ashworth’s work on the Manhattan Project began in 1944.