Abraham Isaac Kook

Abraham Isaac Kook (1865–1935) was the first Ashkenazi chief rabbi of the British Mandatory Palestine, the founder of the Religious Zionist Yeshiva Merkaz HaRav, Jewish thinker, Halachist, Kabbalist and a renowned Torah scholar. He is known in Hebrew as הרב אברהם יצחק הכהן קוק HaRav Avraham Yitzchak HaCohen Kook, and by the acronym הראיה (HaRaAYaH) which in English means "evidence", or simply as "HaRav." He was one of the most celebrated and influential rabbis of the 20th century.

Read more about Abraham Isaac Kook:  Biography, Legacy, Support From Rabbinic Scholars