. "1801-06-29Z"^^ . . . "German physicist" . "1869-01-14Z"^^ . . "Moritz Ludwig Frankenheim"@en . "Moritz Ludwig Frankenheim (June 29, 1801 \u2013 January 14, 1869) was a German physicist, geographer, and crystallographer."@en . . "1801Z"^^ . . . . . "1869Z"^^ . . . "Frankenheim, Moritz Ludwig"@en . . . . .