Claim: Karl Ernst Ranke  (29 January 1870 in Munich – 9 November 1926 in Munich) was the son of anthropologist Johannes Ranke (1836–1916), then in 1896, he received his medical doctorate from the University of Munich, afterward, in 1906, he returned to Munich, where he practiced pediatrics and specialized in diseases of the lung.
Evidence: Karl Ernst Ranke (29 January 1870 in Munich – 9 November 1926 in Munich) was a German internist, pediatrician and pulmonologist known for his research of tuberculosis. He was the son of anthropologist Johannes Ranke (1836–1916). In 1896 he received his medical doctorate from the University of Munich, then spent the following year as an assistant to his uncle, Heinrich von Ranke (1830–1909), at the pediatric clinic in Munich. In 1906, he returned to Munich, where he practiced pediatrics, and specialized in diseases of the lung.