Holocaust Esther Eugenie Klee-Rawidowicz (1900–1980), German-Jewish biologist, wife of the Polish-born American Jewish philosopher Simon Rawidowicz (1897–1957)...

married Esther Klee in 1926, the daughter of Alfred Klee and the maternal aunt of Hanneli Goslar (Anne Frank's best friend).[citation needed] Rawidowicz taught...