sentences:  From 1867 to 1873 he was an assistant to Alfred Hegar (1830–1914) in Freiburg, and was later a professor of gynecology and obstetrics at the University of Giessen.In 1887 he became an OB/GYN professor at Halle, where he succeeded Robert Michaelis von Olshausen (1835–1915).Kaltenbach served in the military during the Austro-Prussian (on the Austrian side) and Franco-Prussian Wars.