This portrait of a great spiritual leader by RABBI JOSHUA LOTH LIEBMAN of Temple Israel, Boston, author of Peace of Mind, is the result of a friendship which began in books and which came to life. Rabbi Baeck now serves as the President of the World Union for Progressive Judaism, with headquarters in London. He came to America in January to tour the country in behalf of two great institutions of liberal Judaism: the Union of American Hebrew Congregations and the Hebrew Union College. Rabbi Liebman shared the platform with Rabbi Baeck in Philadelphia and in Boston, and spent many friendly hours with the famous liberal Jewish teacher.