sentences:  In 1964, this commenced with the dispatch of information kits to student summer camps nationally in May, a week-long interfaith fast in June, and a massive rally in October with the participation of President Lyndon Johnson's representative Mayer Feldman, New York Senators Jacob Javits and Kenneth Keating, and Mayor John Lindsay on the Lower East Side, the original area of East European Jewish settlement.One unique characteristic of Birnbaum's mobilization of public opinion was to draw on ancient Jewish redemptive themes — for example, the intensification of activities around Passover time, with its themes of liberation and exodus.SSSJ's first student button portrayed a shofar with the wording "Save Soviet Jewry."