Donald E. Matthews

J. G. McDaniels

McDaniels worked in the 100 F Area at Hanford during the Manhattan Project.    

George H. Riggenbach

George Riggenbach was a staff worker at Los Alamos during the Manhattan Project.

Margaret M. Emmerson

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

W. O. Patmor