Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. Clemens Alexander
Winkler was a German chemist who discovered the element germanium in
1886, solidifying Dmitri Mendeleev's theory of periodicity.Winkler was
born in 1838 in Freiberg, Kingdom of Saxony the son of a chemist who had
studied under Berzelius. Winkler's early education was at schools in
Freiberg, Dresden, and Chemnitz.