Wilhelm Sievers

German geologist (1860-1921).

Born December 3rd, 1860 in Hamburg. [ref]

Died June 11th, 1921 at 60 years old in Giessen.

Occupations
botanist, explorer, geographer, geologist, geopolitician, glaciologist, university teacher, writer
Wikipedia

Losing is discovering, which is living. Maxime Lagacé