Henry J. Soucy

Janice E. Kingslow

Janice E. Kingslow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Celia M. Ryan

Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.

Herbert G. “Mac” MacPherson

Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.

E. W. O’Rorke