Passing - the 15th of Mar-Cheshvan 1836. Rabbi Leib "Baal Ha'yissurin" -- was an outstanding scholar and G-d-fearing man, a major disciple of Rabbi Shneur Zalman, the first Rebbe of Chabad. When his end was near, he let it be known that anyone who found himself beset by insoluble problems (G-d forbid) should visit his grave. To this day there are many who who visit his grave in Safed hoping to benefit from his assistance in their prayers, especially on Fridays.