S. Ansky (An-Ski) - ש. אַנסקי

Shloyme Zanvl Rappoport (1863 – November 8, 1920), known by his pseudonym S. Ansky (or An-sky), was a Jewish author, playwright, researcher of Jewish folklore, polemicist, and cultural and political activist. He is best known for his play The Dybbuk or Between Two Worlds, written in 1914.