Édouard-Léon Scott de Martinville

Édouard-Léon Scott de Martinville was a Frenchman who invented the earliest known sound recording device known as the Phonautograph. He was born in Paris in 1817 he’s profession was printing and book selling. He died in 1879.
Discovery of the Sounds.
In 2008, a group of researchers discovered the phonautogram that was recorded on 9 April 1860. It is a French folk song called Au Clair de la lune. Scientists believe that the person singing the song was Scott de Martinville the inventor him self. The audio discovery became the oldest recorded sound of a person.