Zvi Yehuda Kook

Zvi Yehuda Kook was an ultranationalist Orthodox rabbi. He was the son of Abraham Isaac Kook, the first Ashkenazi chief rabbi of British Mandatory Palestine. Both father and son are credited with developing Kookian Zionism, which became the dominant form of Religious Zionism. He was Rosh Yeshiva (dean) of the Mercaz HaRav yeshiva.