William J. Johnston

Ralph F. Proctor

Douglas J. Hinds

Opal MacDonald

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Eulalia Quintana Newton

Eulalia “Eula” Quintana Newton (1923-2016) worked at the Los Alamos laboratory for more than 50 years, beginning during the Manhattan Project.