Rabbi Shabbtai ben Meir haKohen- Shakh
He was born in Lithuania, Amstibovo in 1621, died and buried in 1663, Holeshov (Moravia).
Descendant of a many-branched family of Tora scholars, a man of deep intellect, rapid comprehension and thorough education. He studies in yeshivas inTykocin , Krakow (rabbi Jehoshua Heschel, author of Maginei Shlomo) and Lublin (rabbi Naftali Katz). Since his wedding (daughter of rav Benjamin Zev, grandson of Rav Moshe Isserl-Rama) he lived in the home of his father-in-law in Vilno, devoted entirely to Tora. He wrote his great work Sifthei Cohen (on Yoreh De´ah, part of Shulhan Arukh), published in 1646, Krakow.
In those days were many of Jewish communities in Poland masacred by B.Chmelnicki´s Cossacks.
Rabbi Shabbtai -as one of many refugees- came ( from Lublin) to Dresnitz (Moravia) and later to Holeshov.
His works (besides Sifthei Cohen) are: He-Arukh (a commentary on the Arbaa Turim),
Tokfo kohen (on the laws of possession and undecided laws), Gevurat Anashim (on chpter 154 of SA),
Poel Zedek (on 613 commandments as enumerated by Maimonides),
Megillat Eifah ( describing sufferings of Polen Jews during the era Chmelnicki), selichot.
His halakhic dispute with David ben Samuel ha Levi was also published. During years in Holeshov Shakh became friendly with a Christian scholar Valentino Wiedrich from university in Leipzig)