Browse DSIDetails of the item << Previous Next >> Praetorius Johann J. P. ; Johann Richter ; 1537 in Sankt Joachimsthal 1616 Altdorf near Nuremberg Paul Praetorius (brother) artes liberales at the university of Wittenberg Germany mathematician Valentinus Otho (= Valentin Otto / Pitiscus / Parthenopolitanus) (c. 1548-1603) ; mathematician and astronmer Petrus (also Peter) Saxonius (1591-1625) (pupil) ; 3D globe modelling ; https://de.wikipedia.org/wiki/Johann_Richter_%28Astronom%29 ; Diefenbacher, Heinz & Bach-Damaskinos 2002: 13 ; Further Places of Activity: Czech Republic (Prague), Austria (Vienna), and Poland (Krakow). More known as an instrument maker. 8205385
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