Johann Daniel Wilhelm Hartmann

Johann Daniel Wilhelm Hartmann (12 January 1793 – 18 April 1862) was a Swiss painter, engraver and malacologist.

Biography
He was born in St. Gallen, the son of Georg Leonhard Hartmann (1764-1828), 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.

Taxa described by Hartmann include Discus ruderatus, Ampullaceana ampla, Trochulus clandestinus, Bythiospeum acicula, Papillifera and others.

Works

 * Hartmann, J. D. W. 1821. System der Erd- und Süsswasser-Gasteropoden Europa's: in besonderer Hinsicht auf diejenigen Gattungen, welche in Deutschland und der Schweitz angetroffen werden. Nürnberg, Jacob Sturm, 1821
 * Hartmann, J. D. W. 1844. Erd- und Süsswasser-Gasteropoden der Schweiz. Mit Zugabe einiger merkwürdigen exotischen Arten. I. Band. - pp. i-xx [= 1-20], 1–227, Tab. I-XII [= 1-12], I-XII [sic, = 13-24], 25–84. St. Gallen. (Scheitlin & Zollikofer).Archive