Belgian physician and botanist (1814-1872).
Antoine Frédéric Spring (8 April 1814 in Gerolsbach, Bavaria – 17 January 1872) was a German-born, Belgian physician and botanist. He studied botany and medicine at the Ludwig-Maximilians-Universität München, obtaining his PhD in 1835 and his medical doctorate during the following year. From 1839 to 1872 he was a professor at the University of Liège, initially in the fields of physiology and anatomy, later teaching classes in pathology and internal medicine. As a botanist he specialized in research of Lycopodiaceae (clubmosses) and Selaginellaceae (spikemosses), and was the binomial author of