Kalonymus Kalman Epstein

Rabbi Kalonymous Kalman Epstein--also known as the Maor VaShemesh after his book--was a leader of the Chasidic movement in the late 18th and early 19th centuries. He was a student and personal assistant to Reb Elimelech of Lizhensk, who sent Epstein to become a Chasidic leader in Krakow. Epstein faced much resistance from those who opposed Chasidut, but eventually became instrumental in promoting Chasidut throughout Western Galicia. Epstein’s great-grandson was Rabbi Kalonymus Kalman Shapira of Piaseczna.