1891
Édouard Lucas, French mathematician and theorist (born 1842)
Édouard Lucas, French mathematician and theorist (born 1842)
Édouard Lucas, French mathematician and theorist (born 1842)
French mathematician (1842–1891)
Édouard Lucas, French mathematician and theorist (born 1842)
Édouard Lucas, French mathematician and theorist (born 1842)