Johann Daniel Wilhelm Hartmann


Johann Daniel Wilhelm Hartmann was a Swiss painter, engraver and malacologist.
He was the son of Georg Leonhard Hartmann, who was also a painter.
After training in fine arts with his father in Zurich, Munich and Bern, he worked in St. Gallen from 1826 as a naturalist and miniature painter, heraldist and genealogist.
He wrote
Taxa described by Hartmann include Discus ruderatus, Ampullaceana ampla,
Trochulus clandestinus, Bythiospeum acicula, Papillifera....