Karol Hubert Rostworowski (3 November 1877 – 4 February 1938) was a Polish playwright, poet and musician, born to a family of local gentry. He is remembered for his opposition to totalitarianism and for fatalistic works inspired by Catholic morality. Rostworowski was born in Rybna in southern Poland. He studied agriculture in Halle, but abandoned it in 1900. He began studying piano and composition at the Leipzig Conservatory in 1901, and moved to Berlin to study philosophy six years later. He returned to Poland in 1908 and settled in Czarkowy on the Nida. During World War I he moved to Kraków
