Joseph Silverman

J. H. Leebens

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

Margaret Brown

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

Juan de Jesus Trujillo

Juan de Jesus Trujillo was a staff worker at Los Alamos during the Manhattan Project.

Willard J. Koetje