. "Edwin Hill (25 November 1793 - 6 November 1876) was a Victorian postal official, the older brother of Rowland Hill, who invented a mechanical system to make envelopes and who campaigned for legal and political change."@en . "Edwin Hill"@en . "1793Z"^^ . . . . "British inventor" . "1876Z"^^ . "1876-11-06Z"^^ . . "1793-11-25Z"^^ . "Hill, Edwin"@en . . .