WIERNIKORSKI, JUDAH (1823–1901), Russian rabbi. Born in Slonim, Judah was known as an illui ("child prodigy"). At the age of 10, he is said to have been completely conversant with three of the six orders of the Talmud: Mo'ed, Nashim, and Nezikin. At the age of 11, he married a cousin and remained in his father-in-law's house until he was 13. He then went to study
His works include Penei Yehudah, novellae on the tractates Shabbat and Ketubbot (1870); Leket Yehudah, sermons (1872); and Penei Yehudah on Bava Kamma and Keritot (1890). The manuscript of his Penei Yehudah on Pesaḥim and a commentary on the Sefer ha-Bahir ascribed to *Neḥunya b. ha-Kanah were burnt in a fire in his town.
Aḥi' asaf, 9 (1901), 428–9.