L. H. Davis

J. H. Neumann

J. H. Neumann worked for the J.A. Jones Construction Company.

H. B. Marcum

H. B. Marcum worked for the Union Carbide & Carbon Corporation.

Freeman Beck

Barbara B. Starner

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