German teacher and writer; born Feb. 25, 1819, at Schmiegel; died at Posen Feb. 28, 1855. He attended the gymnasium in Lissa and the universities of Berlin and Breslau, where he devoted himself principally to the study of philosophy, mathematics, and the natural sciences. He took his degree at Halle in 1841, and in 1844 passed the examination "pro facultate docendi" at Berlin. Löwenthal was the first Jew in Prussia to be appointed a head teacher, and that at a municipal technical school ("Realschule") in Posen. Besides many treatises in technical periodicals, he published "Die Physiologie des Freien Willens," Leipsic, 1843.