Rudolf Gottfried Arndt, born on 31 March 1835 in Białki, established a medical career that bridged clinical psychiatry and pharmacological theory within the Kingdom of Prussia. Operating primarily out of Greifswald, his professional trajectory encompassed roles as a university teacher, practicing physician, and botanical researcher, ultimately leaving a lasting imprint on nineteenth-century German medical literature.
Academic Foundation and Early Practice
Arndt pursued his formal medical education at the University of Greifswald and the Martin Luther University Halle-Wittenberg. During this period, he received instruction from figures including Felix von Niemeyer, Heinrich Adolf von Bardeleben, and Heinrich Philipp August Damerow. He earned his doctor of medicine on 20 February 1860. By 1861, he had established a private medical practice, concurrently maintaining his scholarly pursuits. In 1867, he completed his habilitation, which served as a precursor to his later academic appointments.
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Military Service and Institutional Leadership
Arndt participated as a physician in several major nineteenth-century conflicts, specifically the Second Schleswig War of 1864 and the Austro-Prussian War of 1866. His service earned him various honors, including the Order of the Crown, 4th class with Swords in 1866, the Iron Cross of 1870, 2nd class, and the Knight's Cross of the Order of the Zähringer Lion. Professionally, he served as the director of the Irren-Heil- und Pflege-Anstalt in Greifswald. In 1873, the University of Greifswald appointed him as an associate professor of psychiatry.
Scientific Contributions and Publications
His research interests spanned neurasthenia and psychosis. He published several notable texts, including 'Aus einem apoplectischen Gehirn' in 1878 and 'Die Neurasthenie' in 1885, which explored the nature and treatment of nerve weakness. He also co-authored 'Der Verlauf der Psychosen' with August Dohm in 1887 and addressed definitions of mental illness in his 1897 work, 'Was sind Geisteskrankheiten?'. He is perhaps most recognized in medical history for the Arndt-Schulz rule, a principle concerning pharmacologic dosage developed alongside chemist Hugo Schulz.
Fast facts
- Born: 31 March 1835, Białki
- Died: 29 January 1900, Greifswald
- Primary Field: Psychiatry
- Education: University of Greifswald, Martin Luther University Halle-Wittenberg
- Employer: University of Greifswald
- Notable Rule: Arndt-Schulz rule
- Military Honors: Iron Cross of 1870
- Citizenship: Kingdom of Prussia
Questions readers ask
What was the Arndt-Schulz rule?
It is a pharmacologic principle related to homeopathy, developed by Arndt in collaboration with Hugo Schulz.
How did Rudolf Arndt die?
He died on 29 January 1900, from angina pectoris.
Achievements
- Held posts at University of Greifswald


