Chaim Volozhin (also known as Chaim ben Yitzchok of Volozhin or Chaim Ickovits; January 21, 1749 – June 14, 1821) was an Orthodox rabbi, Talmudist, and ethicist. Popularly known as "Reb Chaim Volozhiner" or simply as "Reb Chaim", he was born in Volozhin (aka Vałožyn or Valozhyn) when it was a part of the Polish-Lithuanian Commonwealth. He died there while it was under the control of the Russian Empire. It is part of present-day Belarus.
Read more about Chaim Volozhin: Student of The Vilna Gaon, Establishing The Volozhin Yeshiva, Works, Family, Sources