Theodor von Jürgensen (11 April 1840 – 8 May 1907) was a German internist who was a native of Flensburg, Schleswig-Holstein. He studied medicine at the Universities of Kiel, Breslau and Tübingen, earning his doctorate in 1863. Afterwards he was a lecturer in Kiel, where in 1869 he became an associate professor and head of its medical clinic. In 1873, he became a full professor of general therapy and director of the local policlinic at Tübingen, a position he maintained until his death in 1907. Jürgensen specialized in research of cardiovascular disease, and is remembered for his work involving treatment of pneumonia and measles. Source: Wikipedia (en)