Victor Vasarely (French:[viktɔʁ vazaʁəli]; Hungarian:[ˈviktor ˈvɒzɒrɛlːi]; born Vásárhelyi Győző[ˈvaːʃaːrhɛji ˈɟøːzøː]; ( 1906-04-09)9 April 1906 – 15 March 1997( 1997-03-15)), was a Hungarian–French artist, who is widely accepted as a "grandfather" and leader of the short-lived op art movement.