. "1798-09-11Z"^^ . . . "GermanPhysicist,Mineralogist" . "Neumann, Franz Ernst"@en . "1798Z"^^ . . "Franz Ernst Neumann"@en . . . "Franz Ernst Neumann (September 11, 1798 \u2013 May 23, 1895) was a German mineralogist, physicist and mathematician."@en . . "1895-05-23Z"^^ . . "1893-05-23Z"^^ . . . . . . . "1893Z"^^ . . . . . . .