. "Christian Frederick Martin, Sr. (German: Christian Friedrich Martin I.; January 31, 1796 \u2013 February 16, 1873) was a German-born American luthier who specialized in guitars. He made the first guitar in the United States in the 1830s."@en . "Christian Frederick Martin, Sr."@en . "Christian Frederick Martin"@en . . "1873Z"^^ . "1873-02-16Z"^^ . "1796-01-31Z"^^ . . . . "American luthier" . "Martin, Christian Frederick"@en . . "1796Z"^^ . .