Carroll C. Trail

Viola M. Vigil

Viola Vigil was a staff worker at Los Alamos during the Manhattan Project.

Ellsworth M. Risley

Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.

David J. Hyland

Hoylande Young Failey

Hoylande Young Failey was a senior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.