"1998Z"^^ . "Czech chemist" . . . . "Wichterle, Otto"@en . . "1998-08-18Z"^^ . . "1913-10-27Z"^^ . . "Otto Wichterle"@en . "1913Z"^^ . "Otto Wichterle (Czech pronunciation: [\u02C8oto \u02C8v\u026Axtr\u0329l\u025B]; 27 October 1913 in Prost\u011Bjov in Austria-Hungary, now the Czech Republic \u2013 18 August 1998) was a Czech chemist, best known for his invention of modern soft contact lenses."@en . . . .