R' Benjamin Katzenellenbogen was a prominent author of the 18th century.

He was a pupil of Samuel Helman (of the Heilprin family) of Metz (died 1766). R' Benjamin became A.B.D. of Samter (Prussia) and then of Krotoschin, Krojanke and Gelnhausen.

He was the author of Or Chachamim, published in 1752, Frankfurt-on-Oder; Lev Chachamim published in 1773, Dyhernfurth; and Menorat Zahav, including Or Olam, Or Chadash and Or Torah, published 1775, Dyhernfurth.

Approbations were written to:

• Pa-amonei Zahav by R' David Katz, son of R' Joseph Weiner, published Furth 1769;
• Chagorat Shmuel by R' Samuel son of R' Azriel, published Frankfurth-on-Oder 1772;
• Or Lisharim by R. Raphael, son of Jacob Jaffe, written in 1776, published Dyhernfurth 1778, and
• Torat Moshe by Moses Kaner, written in 1786, published in 1786.

Source

The Unbroken Chain - Neil Rosenstein (1990) Volume 1, Chapter 11, page 92-93, G 11.
The Unbroken Chain - Neil Rosenstein (third edtion) Volume 1, page 34, G9.2