Simon Dubnow

Simon Dubnow (alternatively spelled Dubnov, Russian: Семён Ма́ркович Ду́бнов, tr. Semyon Markovich Dubnov; IPA: [sʲɪˈmʲɵn ˈmarkəvʲɪtɕ ˈdubnəf]; Yiddish: שמעון דובנאָװ‎, Shimen Dubnov; 10 September 1860 – 8 December 1941) was a Jewish historian, writer and activist. He is the father-in-law of Henryk Erlich, a famous Bundist leader.