Chief Rabbi of the British Empire from 1913 to his death. Hertz was one of the leaders of the Mizrachi Organization in England. He assisted in obtaining the Balfour Declaration in 1917, which proclaimed Palestine as a Jewish homeland. During World War II he worked untiringly to save Jews from death in Nazi-occupied lands. Of his written works, the best known are The Book of Jewish Thoughts, a translation and commentary on the Torah, and a translation and commentary on the prayer book.