Biography
Jacobi was born in Jacobshagen, Kingdom of Prussia (now Poland), the son of the merchant Mayer Jacobi and his wife Sara-Miriam (née Goldberg). His father died when he was ten years old, and his maternal grandfather Rabbi Jacob Moses Goldberg and uncle Rabbi Nachman Abraham Goldberg were his religious instructors.
He attended the Kölnische Gymnasium school in Berlin. A member of the Modern Orthodox Jewish congregation in Berlin, Jacobi was a student of Rabbi Azriel Hildesheimer and Rabbi Elchanan Rosenstein who ordained him.
He studied Semitic languages, Hebrew and Theology, in the universities of Berlin and Halle, Saxony-Anhalt (Ph.D. 1865, his dissertation being "De loco feminarum apud Iudaeos antiuissimos maxime matrimonii contrahendi ratione habita" – "The Role of Women in Judaism"). Jacobi married Hulda Pander and had seven children.
In 1867 he became Chief Rabbi of Zagreb, Croatia. Jacobi established and headed, in Zagreb, the Jewish elementary school (Talmud Torah), taught Jewish Studies in high-schools, taught Hebrew and Judaism and established Jewish-Women organizations. He was also active in social welfare projects for the Jewish and General Population in Yugoslavia, for which he was highly respected by the general population and the leaders of other religious denominations. In 1885 Jacobi delivered the first Synagogue-Sermon in the Croat language thus encouraging the integration of Jews into the general population; he also wrote the first ever Jewish-Studies text-books in Croatian. Rabbi Jacobi was president of the Union of Rabbis in Croatia, honorary president of the Union of Rabbis of the Kingdom of Serbs, Croats and Slovenes and president of the branch of Alliance Israélite Universelle in Zagreb.
As a token of appreciation for Rabbi Jacobi’s work, Emperor Franz Joseph visited the synagogue in Zagreb in 1908, accompanied by the rabbi. That was the first and only such historic visit to the Zagreb synagogue.
Jacobi died in Zagreb and was buried at the Mirogoj Cemetery.
