"François Cyrille Grand´Eury (9 March 1839, Houdreville – 22 July 1917, Malzéville) was a French geologist, paleontologist and mathematics teacher.
He studied at the École Loritz in ...
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Nancy and at the École des mines in Saint-Étienne, and later worked as a mining engineer in Roche-la-Molière. From 1863 to 1899 he taught classes in mathematics at the École des mines in Saint-Étienne, where in 1883 he received the title of professor.
From 1877 he was a member of the Société géologique de France and in 1885 was elected a correspondent member of the Académie des Sciences." - (en.wikipedia.org 01.02.2020)
