. "Dessauer, Hans"@en . "German-American chemical engineer" . "1993-08-12Z"^^ . "John H. Dessauer, also known as Hans Dessauer, (13 May 1905 \u2013 12 August 1993) was a German-American chemical engineer and an innovator in developing xerography. He was instrumental in turning a $7 million company of the 1930s into Xerox, a billion-dollar copier company."@en . "1993Z"^^ . "Dessauer, John H."@en . . "1905-05-13Z"^^ . "1905Z"^^ .