"Charles René Zeiller (14 January 1847, in Nancy – 27 November 1915, in Paris) was a French mining engineer and paleobotanist.
He studied at the École Polytechnique ...
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(1865–67) and at the École nationale supérieure des mines (1867–70), where from 1878 onward, he taught classes in paleobotany. In 1911 he was appointed vice-president of the Conseil général des mines.
In 1881 he became a member of the Société botanique de France, later serving as its vice-president (1898) and president (1899 and 1904). In 1893 he was named president of the Société géologique de France and from 1901 to 1915, was a member of the Académie des Sciences (botanical section)." - (en.wikipedia.org 01.02.2020)