Katherine Oppenheimer

Katherine Oppenheimer
Wartime Los Alamos identification badge photo, c. 1944
Born
Katherine Vissering Puening

(1910-08-08)August 8, 1910
Recklinghausen, German Empire
DiedOctober 27, 1972(1972-10-27) (aged 62)
Panama City, Panama
Other names
  • Katherine Ramseyer
  • Katherine Dallet
  • Katherine Harrison
EducationUniversity of Pittsburgh
University of Pennsylvania (BS)
University of Wisconsin
Political partyCommunist (until 1930s)
Spouses
Frank Ramseyer
(m. 1932; ann. 1933)
Richard Stewart Harrison
(m. 1938; div. 1940)
(m. 1940; died 1967)
Partner(s)Joseph Dallet Jr.
(1934–1937)
Children2

Katherine Vissering "Kitty" Oppenheimer (née Puening; August 8, 1910 – October 27, 1972) was a German American biologist, botanist, and a member of the Communist Party of America until leaving in the 1930s. Her husbands were Frank Ramseyer, Joe Dallet, Richard Stewart Harrison, and physicist J. Robert Oppenheimer, the director of the Manhattan Project's Los Alamos Laboratory during World War II.