Klonimus Kalman Epstein

Epstein's tombstone (right) & his son Aharon's (2016).

Kalonymus Kalman Halevi Epstein (Hebrew: רבי קלונימוס קלמן אפשטיין; Nowy Korczyn (Neustadt), Poland, 1753 – Kraków, 1825) was a rabbi, Kabbalist and a leader of the Chassidic movement, known as the Maor Vashamesh (מאור ושמש) after his Hebrew book.