Édouard-Léon Scott de Martinville
French printer and bookseller
Édouard-Léon Scott de Martinville was a French printer, bookseller and inventor.
He invented the earliest known sound recording device, the phonautograph, which was patented in France on 25 March 1857. Wikipedia
Born: April 25, 1817, Paris, France
Died: April 26, 1879 (age 62 years), Paris, France
Known for: Inventing the earliest known sound recording device