Ralph W. Lunn

Robert A. Miller

Robert Miller was an electrical engineer in the Special Engineering Detachment at Oak Ridge, Tennessee, primarily focused on the development of measuring instrument.

Charles B. Fisk

Charles Brenton Fisk was a member of the Special Engineer Detachment and technician at Los Alamos. He later became world-renowned for his organ building company, C.

L. R. Block

Block worked in the United States Engineer District Office.

Daniel Duracka