Robert J. Petrolli

Milo V. Martin

Milo Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

M. L. Thayer

Charles Robert Emigh

Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.

Melvin L. Dietrich

Melvin L. Dietrich worked as a welder and electrician in a number of facilities across the Oak Ridge, Tennessee facility.