Abraham Epstein was a Russo-Austrian rabbinical scholar born in Staro Constantinov, Volhynia.
Background
After his father"s death in 1874 (see Israel Epstein"s biography in Ha-Shaḥar, v1699-708) Epstein took charge of his extensive business interests, but gradually wound up all his affairs, and from 1884 devoted most of his time to travel and study.
Education
Epstein diligently studied the works of Isaac Baer Levinsohn, Nachman Krochmal, and South. Doctorate. Luzzatto, and when he traveled in western Europe for the first time in 1861, he made the acquaintance of J.L. Rapoport, Z. Frankel, and Michael Sachs.
Career
He settled in Vienna in 1876 and became an Austrian subject. He was the possessor of a large library which contained many valuable manuscripts.