{{Short description|German psychiatrist (1835–1900)}} [[File:Rudolf Gottfried Arndt.jpg|right|thumb|Rudolf Arndt]] '''Rudolf Gottfried Arndt''' (31 March 1835 – 29 January 1900) was a German [[psychiatrist]] from [[Białki, Pomeranian Voivodeship|Bialken]], [[Marienwerder (district)|district of Marienwerder]].
== Biography == Arndt studied in [[Greifswald]] and [[Halle, Saxony-Anhalt|Halle]]. As a student, his instructors included [[Felix von Niemeyer]] (1820–1871), [[Heinrich Adolf von Bardeleben]] (1819–1895), and [[Heinrich Philipp August Damerow]] (1798–1866).<ref>[http://www.zeno.org/Pagel-1901/A/Arndt,+Rudolf Pagel: Biographical Dictionary outstanding physicians of the nineteenth century. Berlin, Vienna, 1901, 44-45 Sp.] (biography)</ref> He was conferred [[Physician|doctor]] of [[medicine]] on 20 February 1860. From 1861 he maintained a private practice, and also participated in the [[Second Schleswig War]] (1864), [[Austro-Prussian War]] (1866) and [[Franco-Prussian War]] (1870–71).
In 1867 he obtained his habilitation, subsequently serving as director of the ''Irren-Heil- und Pflege-Anstalt'' in [[Greifswald]]. In 1873 he became an associate professor of psychiatry at Greifswald.<ref>[http://www.deutsche-biographie.de/sfz1253.html NDB/ADB Deutsche Biographie] (biography)</ref> He died of [[angina pectoris]].<ref>[http://www.whonamedit.com/doctor.cfm/267.html Rudolf Arndt] @ [[Who Named It]]</ref>
He is known today for the "[[Arndt-Schulz rule]]", a [[pharmacology|pharmacologic]] principle of [[homeopathy]] that is named in conjunction with German [[chemist]] [[Hugo Schulz]] (1853-1932).<ref>[http://medical-dictionary.thefreedictionary.com/Arndt-Schulz+law Medical Dictionary] Arndt-Schulz rule</ref> He is also remembered for his investigations of [[neurasthenia]].<ref>[https://books.google.com/books?id=ryJAAAAAYAAJ&dq=%22Rudolf+Arndt%22+neurasthenia&pg=PA978 Google Books] Diseases of the Nervous System by Archibald Church</ref><ref>[https://books.google.com/books?id=PW4uAAAAYAAJ&dq=%22Rudolf+Arndt%22+neurasthenia&pg=PA322 Man and Woman: Study of Human Secondary Sexual Characters by Havelock Ellis]</ref>
==Awards and decorations== * [[Order of the Crown (Prussia)|Order of the Crown]], 4th class with Swords (Prussia, 1866) * [[Iron Cross]] of 1870, 2nd class on white-black band (Prussia, 1871) * Knight's Cross, First Class of the [[Order of the Zähringer Lion]] (Baden)
== Selected writings == * ''Aus einem apoplectischen Gehirn'', 1878 - On the [[apoplectic]] brain. * ''Die Neurasthenie (Nervenschwäche), ihr Wesen, ihre Bedeutung und Behandlung'', 1885 - [[Neurasthenia]] (nerve weakness), its nature, its meaning and treatment. * ''Der Verlauf der Psychosen'', 1887 (with August Dohm) - The course of [[psychosis]]. * ''Was sind Geisteskrankheiten?'', 1897 - What is [[mental illness]]? <ref>[http://www.idref.fr/034970711 IDREF.fr] (bibliography)</ref>
==See also== * [[Arndt-Schulz rule]]
== References == {{reflist}}
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{{DEFAULTSORT:Arndt, Rudolf}} [[Category:1835 births]] [[Category:1900 deaths]] [[Category:People from Kwidzyn County]] [[Category:Medical doctors from the Province of Prussia]] [[Category:German psychiatrists]] [[Category:German military doctors]] [[Category:University of Greifswald alumni]] [[Category:Academic staff of the University of Greifswald]] [[Category:Martin Luther University of Halle-Wittenberg alumni]] [[Category:Prussian people of the Austro-Prussian War]] [[Category:German military personnel of the Franco-Prussian War]] [[Category:Recipients of the Iron Cross (1870), 2nd class]] [[Category:Deaths from angina pectoris]]