Schindl.

Anton Karl Schindler (15 August 1879 in Bremen – 1964) was a German dentist and botanist.

He studied botany at the universities of Göttingen, Strasbourg and Halle, receiving his doctorate at Erlangen in 1904. From 1905 to 1910 he conducted botanical research in China, during which time he also taught classes in natural sciences at Peking University and in Shanghai. Afterwards, he returned to Germany, and spent several years as a schoolteacher in Magdeburg, Posen and Jüterbog. From 1925 to 1929 he studied dentistry, then worked as a dentist in the communities of Großalmerode (1929–32) and Döberitz (1932–56). In retirement he lived in Düsseldorf.

...
Wikipedia