Wacław Kajetan Sieroszewski (24 August 1858 – 20 April 1945) was a Polish writer, Polish Socialist Party activist, and soldier in the World War I-era Polish Legions (decorated with the Virtuti Militari). For activities subversive of the Russian Empire, he had spent many years in Siberian exile. Sieroszewski's Siberian experiences became the subjects of his many stories and novels—Na kresach lasów (At the Edge of the Woods, 1894), Dno nędzy (The Depths of Misery, 1900), Risztau (1899), Ucieczka (The Escape, 1904), Zamorski diabeł (The Overseas Devil, 1900). He also authored the popular Bajki (F