Abraham Isaac Kook
chief rabbi of British Mandatory Palestine (1865-1935)
Abraham Isaac HaCohen Kook (Hebrew: אַבְרָהָם יִצְחָק הַכֹּהֵן קוּק; 7 September 1865 – 1 September 1935), known as HaRav Kook, and also known by the Hebrew-language acronym Hara'ayah (הראי״ה), was an Orthodox rabbi, and the first Ashkenazi Chief Rabbi of British Mandatory Palestine. He is considered to be one of the fathers of religious Zionism and is known for founding the Mercaz HaRav Yeshiva.
Biography
Childhood
Kook was born in Griva (also spelled Geriva) in the Courland Governorate of the Russian Empire in 1865, today a part of Daugavpils, Latvia, the eldest of eight children. His father, Rabbi Shlomo Zalman Ha-Cohen Kook, was a student of the Volozhin yeshiva, the "mother of the Lithuanian yeshivas", whereas his maternal grandfather was a follower of the Kapust branch of the Hasidic movement, founded by the son of the third rebbe of Chabad, Rabbi Menachem Mendel Schneersohn. His mother's name was Zlata Perl.
He entered the Volozhin Yeshiva in 1884 at the age of 18, where he became close to the rosh yeshiva, Rabbi Naftali Zvi Yehuda Berlin (the Netziv). During his time in the yeshiva, he studied under Rabbi Eliyahu David Rabinowitz-Teomim (also known as the Aderet), the rabbi of Ponevezh (today's Panevėžys, Lithuania) and later Chief Ashkenazi Rabbi of Jerusalem. In 1886 Kook married Rabinowitz-Teomim's daughter, Batsheva.
Early career
In 1887, at the age of 23, Kook entered his first rabbinical position as rabbi of Zaumel, Lithuania. In 1888, his wife died, and his father-in-law convinced him to marry her cousin, Raize-Rivka, the daughter of the Aderet's twin brother.
“Abraham Isaac Kook” enters the record as chief rabbi of British Mandatory Palestine (1865-1935). Crown Archives preserves that source wording while asking what Abraham, Isaac and Kook can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 15, 2026. The linked authority identifier is Q330110. VIAF identifies the subject as 20482547. The Library of Congress control number is n81133579. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1865, 1935, 1884 and 1886.
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