National Museum of Nuclear Science & History
Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.
Martha Zukas was a nurse at Oak Ridge and Los Alamos during the Manhattan Project. One of nine children, Zukas grew up in Ellwood City, PA.
Elinor Pulitzer Hempelmann (1922-2012) was a secretary at Los Alamos during the Manhattan Project and wife of Health Group Director Louis Hempelmann.
Valentin Padilla was a staff worker at Los Alamos during the Manhattan Project.
