Antoine Frédéric Spring was a German-born, Belgian physician and botanist.
He studied botany and medicine at the University of Munich, obtaining his PhD in 1835 and his medical doctorate during the following year. Wikipedia
Born: April 8, 1814, Gerolsbach, Germany
Died: January 17, 1872 (age 57 years), Liège, Belgium
Children: Walthère Victor Spring