Jacob Emden

Jacob Emden
Rabbi Jacob Emden
Personal life
Born(1697-06-04)June 4, 1697
DiedApril 19, 1776(1776-04-19) (aged 78)
Altona, Holstein, Holy Roman Empire
ChildrenMeshullam Solomon
Parent
Signature
Religious life
ReligionJudaism
BuriedJewish Cemetery, Altona, Hamburg

Jacob Emden, also known as the Yaʿavetz (June 4, 1697 – April 19, 1776), was a leading German rabbi and talmudist who championed traditional Judaism in the face of the growing influence of the Sabbatean movement. He was widely acclaimed for his extensive knowledge.

Emden was the son of the hakham Tzvi Ashkenazi and a descendant of Elijah Ba'al Shem of Chełm. He spent most of his life in Altona (now part of Hamburg, Germany). His son, Meshullam Solomon, served as rabbi of the Hambro Synagogue in London and claimed authority as Chief Rabbi of the United Kingdom from 1765 to 1780.

The acronym Yaʿavetz (יעב״ץ, also rendered Yaavetz) is formed from his Hebrew name, Yaʿkov ben Tzvi (יעקב בן צבי).

Seven of his 31 works were published posthumously.