Joseph H. Leopold

G. A. Nichols

G. A. Nichols worked for the United States Engineer District Office.

Ella B. Tyree

Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Ruby B. Munroe

Ruby Munroe was a staff worker at Los Alamos during the Manhattan Project.

Jacob H. Loser