National Museum of Nuclear Science & History
Helen Stokes was a staff worker at Los Alamos during the Manhattan Project.
C. M. Sheldon worked for the J.A. Jones Construction Company.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Stanley worked at the 300 Area at Hanford during the Manhattan Project.
Charles O’Neil was a staff worker at Los Alamos during the Manhattan Project.
