Mosher began his career as a street artist in Quebec City in the early 1960s while he studied at the Ecole des beaux arts.

He later worked for the Montreal Star before joining The Gazette.

Mosher has won two National Newspaper Awards for his work. In 1985, he became the youngest person to be inducted into the Canadian News Hall of Fame. In 1997, he and his counterpart at La Presse, Serge Chapleau, had a joint retrospective of their work at the McCord Museum.

Mosher's work has appeared in 40 books. He was invested as an officer of the Order of Canada in 2003.

Labels: awards, political cartooning, Quebec