Complex sentence: François Édouard Anatole Lucas (April 4,1842 in Amiens-October 3,1891) was a French mathematician who was educated at the École Normale Supérieure.
Split into simpler sentences: François Édouard Anatole Lucas (April 4,1842 in Amiens-October 3,1891) was a French mathematician. Lucas was educated at the École Normale Supérieure.