Franz Ernst Neumann was a German mineralogist and physicist.
Franz Ernst Neumann. Portrait by Carl Steffeck (1886)
"Vorlesungen über theoretische Optik", 1885
The University of Königsberg was the university of Königsberg in East Prussia. It was founded in 1544 as the world's second Protestant academy by Duke Albert of Prussia, and was commonly known as the Albertina.
Elevation of the Albertinum and the northern half of the cathedral , c. 1810
Collegium Albertinum, c. 1850
Backside of the Collegium Albertinum in Kneiphof, where Kant taught. The quarter was destroyed in World War II.
The 300th anniversary of the University of Königsberg. Includes an interior view of the auditorium maximum, c. 1844