1.] His successor Rabbi Mendel Lubavicher proved an energetic organizer of the hasidic masses.

He was highly esteemed not only as a learned Talmudist--he wrote rabbinical _novellae and response--and as a preacher of Hasidism, but also as a man of great practical wisdom, whose advice was sought by thousands of people in family matters no less than in communal and commercial affairs.

This did not present him from being a decided opponent of the new enlightenment.

In the course of Lilienthal's educational propaganda in 1843, Rabbi Mendel was summoned by the Government to participate in the deliberations of the Rabbinical Committee at St.Petersburg.There he found himself in a tragic situation.

He was compelled to give his sanction to the Crown schools, although he firmly believed that they were subversive of Judaism, not only because they were originated by Russian officials, but also because they were intended to impart secular knowledge.