Sigizmund Dominikovich Krzhizhanovsky (Russian: Сигизму́нд Домини́кович Кржижано́вский, IPA: [sʲɪɡʲɪzˈmunt dəmʲɪˈnʲikəvʲɪtɕ krʐɨʐɨˈnofskʲɪj], Polish: Zygmunt Krzyżanowski; 11 February [O.S. 30 January] 1887 – 28 December 1950) was a Russian and Soviet writer, playwright, philosopher, and historian, who described himself as "known for being unknown". He published only a few stories and essays in his lifetime; the majority of his writings were published posthumously.