Yakov Tevias-Schorr

 R'Yacov expounded Torah and trained notable students, as the Rabbi of Brest (1639). He became ABD of Lutzk (1647) and sent Responsa to the great sages of his age. He was ABD of Brody (1650) and became known as Abir Hagaonim (the noblest of the Gaonim). He was author of Pilpulei Harifta on the talmudic order Sanhedrin (Amsterdam, 1655) later published as Bet Yacov (Venice, 1693). He is mentioned in Bet Hillel by R"Hillel B"R Naftali Hersh (Dyhrnfurth, 1691), Bet Yacov by Yacov Zausmer (Dyhrb-furth, 1696), Responsa Geonim Battrai and Helkai Mehokek. R'Yacov was a pupil of R'Abraham B"R Aaron Binyamin of Slonick (author of Masaot Binyamin AB"D Brest.

His signature appears in 1647 and 1649 in the Pinkas of Lithuania, following that of Yona Teomim, AB"D of Grodno. His signature while in Brest appeared in 1650, 1651 and 1655. He was also the author of a book of responsa which remained a hand written manuscript.