. . . . . "1943-06-02Z"^^ . . "1943Z"^^ . "John Frank Stevens"@en . . . . "Stevens, John"@en . "John Frank Stevens (25 April 1853 \u2013 2 June 1943) was an American engineer who built the Great Northern Railway in the United States and was chief engineer on the Panama Canal between 1905 and 1907."@en . "American canal engineer" . . "1853Z"^^ . . . "1853-04-25Z"^^ .