Jan August Kisielewski (8 February 1876 in Rzeszów – 29 January 1918 in Warsaw), was a Polish writer, essayist and playwright associated with the Young Poland literary movement at the turn of the century. He was the co-founder of a legendary literary cabaret Zielony Balonik in Kraków under the Austrian rule during the final years of the Partitions of Poland. Jan August Kisielewski was a brother of Zygmunt Kisielewski of the Polish Legions in World War I, also a writer. Source: Wikipedia (en)