. "Mac Lane, Saunders"@en . "American mathematician" . "1909-08-04Z"^^ . . . . . . "2005-04-14Z"^^ . . . . . . "Saunders Mac Lane (4 August 1909 \u2013 14 April 2005) was an American mathematician who co-founded category theory with Samuel Eilenberg."@en . . . . . . . . . . "1909Z"^^ . . "2005Z"^^ . . . . . . . "Saunders Mac Lane"@en .