Austrian physician; born at Kosolup, Bohemia, Aug. 4, 1827; died at Vienna March 31, 1900. He graduated (M.D.) from the University of Vienna in 1855. In 1860 he settled in Vienna as a specialist in aural diseases, and became privat-docent in 1863. In the succeeding year he became chief surgeon of the aural department at the Allgemeines Krankenhaus. In 1870 he was appointed assistant professor, and in 1873 became chief surgeon of the newly founded aural clinic of the university. In 1893 he was elected professor, which position he resigned in 1898.
Gruber was the author of many essays and works (numbering in all nearly 200), and was for many years one of the editors of the "Monatsschrift für Ohrenheilkunde Sowie für Kehlkopf-, Nasen- und Rachenkrankheiten." Among his writings may be mentioned: "Zur Pathologie der Hämatocele," Vienna, 1859; "Zur Pathologie und Therapie der Otitis Interna," ib. 1860; "Anatomisch-Physiologische Studien über das Trommelfell und die Gehörknöchelchen," ib. 1867; "Lehrbuch der Ohrenheilkunde," ib. 1870, 2d ed. 1888.
- Pagel, Biog. Lexikon, Vienna, 1901, s.v.