Engraver for C.GaertnerÝs Supplement to De Fructibus et Seminibus Plantarum (1805-1807). Jakob Sturm was a major engraver for Deuschlands Flora during the 1800s.
Also listed as a Diptera taxonomist ?
Source: M.Rix The Art of the Plant World (1981); W.Blunt & W.T.Stearn The Art of Botanical Illustration 2nd edn (1994); H.Hewson (1999). Photo: Google Images, dates and names checked.