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, geopolitical analyst, glaciologist, university teacher, writer
Wikipedia

Anything I’ve done that was ultimately worthwhile initially scared me to death. Betty Bender