National Museum of Nuclear Science & History
Bretscher worked at Los Alamos during the Manhattan Project.
Carl Crumb was a member of the Special Engineering Detachment at Los Alamos. While working there, he met his wife Jeanne Crumb, who was a nurse in the Los Alamos Hosptial.
Marcia Rosenthal was a biochemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
