Clemens Winkler
a German chemist who discovered the element germanium in 1886, solidifying Dmitri Mendeleev's theory of periodicity.

For much more information, also see

From: Wikipedia
Born
December 26, 1838 Freiberg, Kingdom of Saxony
From: Wikipedia
Died
October 8, 1904 (aged 65) Dresden, Germany
From: Wikipedia
Alma mater
Freiberg University of Mining and Technology 1859, University of Leipzig 1864
From: Wikipedia
Institutions
Blaufarbenwerk Niederpfannenstiel, Freiberg University of Mining and Technology
From: Open Science FrameworkOSF
adultbasic
Germany
From: Open Science FrameworkOSF
era
1800+