Grätzer, Jonas:

By: Isidore Singer , Frederick T. Haneman

German physician; born at Tost, Upper Silesia, Oct. 19, 1806; died at Breslau Nov. 25, 1889. He graduated (M.D.) from the University of Breslau in 1832. The following year he settled as a physician in Breslau, where he practised until his death.

He wrote: "Die Krankheiten des Fœtus," Breslau, 1837; "Gesch. der Israelitischen Krankenverpflegungsanstalt," ib. 1841; "Ueber die Organisation der Armen-Krankenpflege in Grösseren Städten," ib. 1851; "Gedanken über die Zukunft der Armen-Krankenpflege," ib. 1852; "Edmund Halley und Caspar Neumann: Zur Gesch. der Bevölkerungsstatistik," ib. 1883; "Daniel Gohl und Christian Kundmann: Zur Gesch. der Medicinalstatistik," ib. 1884; "Lebensbilder Hervorragender Schlesischer Aerzte aus den Letzten Vier Jahrhunderten," ib. 1889.