a German Orientalist, was born at Bonn, October 23, 1803, and died at Giessen, January 21, 1880, where he had been professor of Oriental languages since 1833. He published, Fragmente uber die Religion des Zoroaster (Bonn, 1831): — Institutiones Lingue Petsicae cum Sanscrifta et Zendica Lingua Comparatae (Giessen, 1840-50, 2 volumes): — Lexicon Persico-Latinum Etymnologicum (Bonn, 1855-64, 2 volumes): — Supplementum Lexici Persico-Latini, Continens Verborum Linguae Persicae Radices (1867): — Grammatica Lingau Persics (Giessen, 1870). (B.P.).