Rabbi Itzchak Evan-Shayish (Marmorstein) is a passionate student of the teachings of Rabbi Avraham Yitzchak HaCohen Kook (1865- 1935) He is doing pioneering work in bringing Rav Kook to the public through classes, writings and creative musical and dramatic presentations in Israel and all over the world. He is the gabbai and educator at Beit HaRav Kook Synagogue in Jerusalem. He is the chairman of Ohr LeRayah, a Jerusalem based organization dedicated to sharing the universal teachings of Rav Kook with the whole world. (www.haorot.com). He is a musmach of Rabbi Zalman Nechemia Goldberg, Z"L, Rabbi Shlomo Carlebach Z’L and Rabbi Zalman Schacter-Shalomi Z"L.