Katharina née Leuw (1xxx-1xxx) (mother) ; painter Johann Grimm (1xxx-1xxx) (uncle) ; Johann Rudolf Grimm (1xxx-1xxx) (uncle ?)
taught by his uncle Johann Grimm (1xxx-1xxx) and Johann Ludwig Aberli (1xxx-1xxx)
Switzerland
naturalist Gilbert White (1720-1793) ; Gottlieb Siegmund Gruner: Die Eisgebirge des Schweizerlandes (Bern 1760) ; Richard Kaye ; Beat Ludwig Walthard (1xxx-1xxx) ; Sir William Burrell (1xxx-1xxx) ; Henry P. Wyndham (1xxx-1xxx) ; Cornelius Heathcote Rodes (1xxx-1xxx) ;
influenced by doctor Albrecht von Haller ; Johann Georg Wille ; James Lambert ;
topographical oils, watercolour, pen-and-ink, drawing, and painting ;
