Johann Friedrich Pfaff
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Johann Friedrich Pfaff was a German mathematician. He is best known for his work on differential equations and as Carl Friedrich Gauss's doctoral advisor.
Johann Friedrich Pfaff
Commentatio de ortibus et occasibus siderum apud auctores classicos commemoratis, 1786
Johann Elert Bode
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Johann Elert Bode was a German astronomer known for his reformulation and popularisation of the Titius–Bode law. Bode determined the orbit of Uranus and suggested the planet's name.
Johann Friedrich Pfaff
…mathematics under Abraham Gotthelf Kästner and completed his prize-winning essay on astronomy. In 1787 he went to Berlin and studied astronomy under J. E. Bode; there he completed his first notable mathematical work, on series summation. While in Berlin, Pfaff joined Friedrich Nicolai's circle of enlighteners…
Bode c. 1800
Front page of a 1772 edition of Anleitung zur Kenntniss des gestirnten Himmels
Section of a plate from Uranographia showing the constellation Orion
Allgemeine Betrachtungen über das Weltgebäude, 1808