Gotthilf Heinrich Ludwig Hagen was a German civil engineer who made important contributions to fluid dynamics, hydraulic engineering and probability theory.
Gotthilf Hagen
United Artillery and Engineering School, Berlin
Tomb of Gotthilf Hagen and his wife Auguste on the Invalidenfriedhof, Berlin
Detailed view of the monument to Hagen in Baltijsk
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