Johann Stieglitz, born as Israel Stieglitz (10 March 1767, Arolsen – 31 October 1840, Hanover) was a German medical doctor. He was the brother of banker Ludwig von Stieglitz (1779-1843) and uncle to poet Heinrich Wilhelm Stieglitz (1801-1849).Statement based on a translation of text from an equivalent article at the German Wikipedia.

Initially a philosophy student in Berlin, he later studied medicine at the University of Göttingen. In 1789 he moved to Hanover as a physician, successively serving as Hofmedikus (from 1802, court physician), Leibmedikus (from 1806), Hofrat (from 1820, councillor) and Obermedizinalrat and director of Hanover medical colleges (1832).ADB:Stieglitz, Johann @ Allgemeine Deutsche Biographie

Known for his criticism of perceived "heresies of medicine", he was a vigorous opponent of speculative medical theories that included mesmerism and the Brunonian system. The following are a list of his principal published works: Versuch einer Prüfung und Verbesserung der jetzt gewöhnlichen Behandlungsart des Scharlachfiebers, 1807 - Essay on how to improve the testing and treatment of scarlet fever. Ueber den thierischen Magnetismus, 1814 - About animal magnetism. Pathologische Untersuchungen, 1832 - Pathological studies. Ueber die Homöopathie, 1835 - In regards to homeopathy.WorldCat Identities (published works)

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