. "1950Z"^^ . . "2011Z"^^ . "John Gilbert \"Jack\" Layton, PC (July 18, 1950 \u2013 August 22, 2011) was a Canadian politician and Leader of the Official Opposition. He was leader of the New Democratic Party from 2003 to 2011, and previously sat on Toronto City Council, occasionally holding the title of Acting Mayor or Deputy Mayor of Toronto during his tenure as city councillor."@en . . . . . "Layton, Jack"@en . . . . . . . . . . . . "1950-07-18Z"^^ . . . . . . . . "2011-08-22Z"^^ . "John Gilbert Layton"@en . "Jack Layton Signature 2.svg" . . "Leader of the New Democratic Party of Canada" . . . "Layton, John Gilbert"@en . "Leader of theNew Democratic Party" . . "Leader of the Opposition" .