Rudolf Arndt

Who was Rudolf Arndt?

Rudolf Arndt was a German psychiatrist from Bialken, district of Marienwerder.

Arndt studied in Greifswald and Halle. As a student, his instructors included Felix von Niemeyer, Heinrich Adolf von Bardeleben, and Heinrich Philipp August Damerow. He was conferred doctor of medicine on 20 February 1860. From 1861 he maintained a private practice, and also participated in the Second Schleswig War, Austro-Prussian War and Franco-Prussian War.

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. He died of angina pectoris.

He is known today for the "Arndt-Schulz rule", a pharmacologic principle of homeopathy that is named in conjunction with German chemist Hugo Schulz. He is also remembered for his investigations of neurasthenia.