Ibn al-Haytham
n 1: an Egyptian polymath (born in Iraq) whose research in
geometry and optics was influential into the 17th century;
established experiments as the norm of proof in physics
(died in 1040) [syn: {Alhazen}, {Alhacen}, {al-Haytham},
{Ibn al-Haytham}, {Al-Hasan ibn al-Haytham}]
United States tennis player (born in Czechoslovakia) who
won several singles championships; in 1992 he became a United States citizen (born in 1960) Synonym(s):Lendl, Ivan Lendl