German-born American biologist and botanist Katherine “Kitty” Oppenheimer was also a Communist Party of America member.

She is best known for being the spouse of activist Joe Dallet and physicist J. Robert Oppenheimer, who served as the director of the Los Alamos Laboratory for the Manhattan Project during World War II.

Who was J Robert Oppenheimer wife Katherine Oppenheimer Vissering?

The only child of Franz Puening and his wife Käthe Vissering, Katherine “Kitty” Vissering Puening was born in Recklinghausen, Westphalia, Prussia, Germany, on August 8, 1910.

She was lying when she said that her mother was linked to Queen Victoria and that her father was a royal.

Her mother was related to Wilhelm Keitel, who was hanged in 1946 after rising to the rank of field marshal in the German Army during World War II.

On May 14, 1913, Puening sailed from Germany to the United States on the SS Kaiser Wilhelm der Grosse.

The family moved to the Pennsylvania suburb of Aspinwall when her father, a metallurgical engineer, was hired by a steel company in Pittsburgh to work on a new type of blast furnace.

Katherine Oppenheimer Vissering cause of death

Katherine died on October 27, 1972.

Her cause of death was not mentioned.