Abraham Isaac Hakohen Kook (1865-1935) served as the Ashkenazic Chief Rabbi of Erets Israel during the period of the British mandate. Rav Kook was a polymath, equally talented as a Talmudic legalist and rationalist philosopher, on the one hand, and as a mystic and poet, on the other. Today, we would say that he was both "left and right hemisphere." The present collection brings together in English translation Rav Kook's contributions to the field...