Wolfgang Sartorius von Waltershausen
Wolfgang Sartorius Freiherr von Waltershausen was a German geologist.
Wolfgang Sartorius von Waltershausen drawn in May 22nd 1843 in Rome by August Kestner
Front page of Der Aetna
Waltershausen Glacier
Image: Franz Josef Fjord.5
Johann Carl Friedrich Gauss was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science. He ranks among history's most influential mathematicians and has been referred to as the "Prince of Mathematicians". He was director of the Göttingen Observatory and professor for astronomy for nearly half a century, from 1807 until his death in 1855.
Portrait by Christian Albrecht Jensen, 1840 (copy from Gottlieb Biermann, 1887)
House of birth in Brunswick (destroyed in World War II)
Caricature of Abraham Gotthelf Kästner by Gauss (1795)
Old Göttingen observatory, c. 1800