attended Erfurt Ratsgymnasium 1719-22 ; studied medicine at the Universities of Jena & Erfurt, becoming a professor of medicine at Erfurt in 1737 ;
Germany
Botanica in Originali, seu Herbarium Vivum (1733ff., with "nature imprinting", i.e. natural self-imprints of plants (Naturselbstdrucke)) ; 3-volume catalogue for Leopoldina-owned collection of snails and mussels (c. 650 drawings) ;
In 1745 he succeeded Andreas Elias Büchner (1701-1769) as director of the library at Erfurt; Univ. Erfurt (dean 1747, rector 1761)
malacological drawing ; botanical "nature imprinting", i.e. natural self-imprints of plants (Naturselbstdruck) ;
