. . "Franz Serafin Exner (24 March 1849 \u2013 15 October 1926) was an Austrian physicist."@en . . . . "1849-03-24Z"^^ . . . . . . . "Austrian physicist" . . . . "Exner, Franz S."@en . . . . . "1926-10-15Z"^^ . . "Franz S. Exner"@en . "1926Z"^^ . . "1849Z"^^ . .