Seth H. Ely, Jr.

E. C. Harshbarger

E. C. Harshbarger worked for the Roane-Anderson Company.

Thomas Velasquez

Thomas Velasquez was a staff worker at Los Alamos during the Manhattan Project.

Ray Fraim

Margaret M. Emmerson

Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.