Karl Ernst Ranke
Biography of Karl Ernst Ranke
Karl Ernst Ranke was the son of the anthropologist Johannes Ranke (1836-1916). He studied medicine in Munich, where he received his doctorate in 1896. After spending a year as an assistant in the children’s clinic under his uncle Heinrich von Ranke (1830-1909), he headed an anthropological research expedition to Brazil. Following his return he spent two more years as assistant in the children’s clinic, and then worked for two years as a physician at the tuberculosis sanatorium Altein in Arosa, Switzerland.
In 1906 Ranke returned to Munich. Working as a paediatrician he specialised in diseases of the lungs, but also worked as a school physician and as a tuberculosis physician with the social security system. He was habilitated for internal medicine 1915, becoming ausserordentlicher professor in 1921.
Ranke introduced a new era in the knowledge of tuberculosis, presenting the doctrine of the stages of tuberculosis, the proof of which had been obtained through long and strenuous work in the Munich pathological-anatomical institute
Besides medicine his interest was philosophy, he was an expert on the philosopher Kant.