Rabbi Lord Jonathan Sacks is one of the world's leading Jewish thinkers and moral voices of our time, laureate of the 2016 Templeton Prize. Educated at Cambridge University and Jews' College London, Rabbi Sacks served as chief rabbi of the United Hebrew Congregations of the Commonwealth from 1991 until 2013. The author of numerous books on Jewish thought, his work has included a new English translation and commentary for the Koren Sacks Siddur, the first new Orthodox siddur in a generation, as well as powerful commentaries for the Rosh HaShana, Yom Kippur, Pesah, and Shavuot Mahzorim.