German rabbi and historian; born March 14, 1844, at Lad�ny, near Tokaj, Hungary. The descendant of an ancient family of scholars, he pursued his rabbinical studies at the yeshibot of Ujhely, Verb�, and Eisenstadt (the last-named then in charge of Israel Hildesheimer). He studied (1868-71) philosophy and Orientalia at the universities of Vienna, Budapest, and Berlin, taking his Ph.D. degree at T�bingen. In Dec., 1871, he was called as rabbi to Lauenburg in Pomerania; in 1874, to Gnesen, Prussian Posen; and in Sept., 1878, to Frankfort-on-the-Main. At Frankfort he organized two model religious schools. Horovitz is one of the directors of the Deutsche Rabbinerverband, and president of the German Jewish orphan asylum at Jerusalem.
Besides numerous sermons; "Ma??eh Lewi," a work in Hebrew on letters of divorce (Frankfort-on-the-Main, 1891); and essays on the origin of the Hungarian Jews (in "Izraelita K�zl�ny," 1869) Horovitz has published the following works: "Zur Gesch. der J�dischen Gemeinde in Eisenstadt," 1869; "Jose ben Jose," in "J�dische Presse," 1873; "Frankfurter Rabbinen," 4 parts, Frankfort-on-the-Main, 1882-85; "J�dische Aerzte in Frankfurt-a.-M." 1886; "Die Wohlth�tigkeitspflege bei den Juden im Alten Frankfurt," 1896; "Zur Statistik der J�dischen Bev�lkerung im Alten Frankfurt," 1896; "Die Frankfurter Rabbinerversammlung vom Jahre 1603," 1897; "Die Inschriften des Alten Friedhofes der Israelitischen Gemeinde zu Frankfurt-a.-M." 1901.