Harvey M. Steiner

A. A. Nickman

A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.

Elmer Ellsworth Kirkpatrick

Colonel Elmer Ellsworth Kirkpatrick, Jr. was a United States Army Corps of Engineers Officer and a Manhattan Engineering District Deputy Engineer.

Roger Hartley White Sr.

Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.

Harry E. Montayne