Arthur L. Johnson

L. E. Whitesides

Whitesides worked for Stone and Webster Engineering Corporation.

H. A. Killebrew

H. A. Killebrew worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J.E. Irwin

Barbara B. Starner

Barbara Brennan Joanides arrived in Los Alamos in May of 1945 with her husband who worked on the project.