National Museum of Nuclear Science & History
Phillip Yuster was a staff worker at Los Alamos during the Manhattan Project.
Geer worked at the 100-D Area at Hanford during the Manhattan Project.
Tappscott worked at the 100-F Area at Hanford during the Manhattan Project.
Robert P. Matthews worked as a member of Project Alberta, the team that transported and assembled the Fat Man and Little Boy atomic bombs.
