Zofia Nałkowska (10 November 1884 – 17 December 1954) was a Polish prose writer, dramatist, and prolific essayist. She served as the executive member of the prestigious Polish Academy of Literature (1933–1939) during the interwar period. She was an activist in women's organizations. From 1939 to 1944, she collaborated with the cultural underground. From 1945 to 1947, she served as a member of the State National Council, and from 1947 to 1952, she served as a nonpartisan member of the Legislative Sejm. She participated in the work of the International Commission for the Investigation of Nazi Crimes in Poland – the result of this activity was Medallions – a collection of stories documenting the period of World War II.