"1854Z"^^ . "Cohn, Emil"@en . "German physicist" . . "1944Z"^^ . "Emil Georg Cohn (28 September 1854 \u2013 28 January 1944), was a German physicist."@en . . . "1944-01-28Z"^^ . . . "Emil Cohn"@en . . "1854-08-28Z"^^ . "1854-09-28Z"^^ . . .