Rabbi Shlomo Margulies was the first rabbi of Zelitschek (now the town in the Ternopil region). He was born in 1733 in the family of rabbi Issachar Dov Margolis. The first time he was chosen to be the rabbo of Yalivtsi (Pomortsi). All his life he was a close talmid of the Baal Shem Tov.
There was remained a little bit information about him, but the important feature of rabbi Shlomo Margulies from Zelitschek was the extraordinary spiritual strength of prayer which was been inherited from Baal Shem Tov.
In the book “Kerem Yisrael” by rabbi Yitzhak Buxbaum devoted to the Jewish spiritual practices there are the words of rabbi Shlomo Magulies quoted. “How well do I know with what great holiness he, the Baal Shem Tov, conducted himself, with such piety and separation from worldliness. But he especially put his efforts and energy into the service of the heart – prayer. He prayed with complete divorcement from the body and from everything material – hitpashtut he-gashmiyut – and with tremendous d’veikut with the living God”.
There were such a profound spiritual practices of Judaism Rabbi Shlomo Margulis of Zalischyky taught his Hasidim.
However, on the 24th of Shevat in 5565 (1804) the thread of the life of Rabbi Shlomo Margulis was broken. He was succeeded by rabbi Yehuda Arye from Zelitschek.
Sources: Me'oros Ha'Tzaddikim; chinuch.org; Yitzhak Buxbaum «Kerem Yisrael. Jewish Spiritual Practices», p. 99.