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
Died	October 27, 1972(1972-10-27) (aged 62) Panama City, Panama
Other names	Katherine Ramseyer Katherine Dallet Katherine Harrison
Education	University of Pittsburgh University of Pennsylvania (BS) University of Wisconsin
Political party	Communist (until 1930s)
Spouses	Frank Ramseyer ​ ​ (m. 1932; ann. 1933)​ Richard Stewart Harrison ​ ​ (m. 1938; div. 1940)​ J. Robert Oppenheimer ​ ​ (m. 1940; died 1967)​
Partner(s)	Joseph Dallet Jr. (1934–1937)
Children	2

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.