Francois Lambert (13 June 1851 – 1937) was a French American inventor. Lambert is perhaps best known today for making the second-oldest playable sound recording (1878), on his own version of the phonograph. Lambert was also famous for inventing a typewriter on which the keyboard consists of one single piece.
In 1878 he built his own version of the sound recording device, the Phonograph.
Lambert recorded what was — until 2008 — considered to be the oldest extant recording, his Experimental Talking Clock (1878). A recording of Au Clair de la Lune byÉdouard-Léon Scott de Martinville from 1860 has been found to pre-date it. However, Lambert's recording is still the oldest which can be played with its own original device, not needing to be scanned digitally to play it.
Lambert married twice, firstly with Jeanne-Marie Donval (with whom he had five children) who died from an unknown cause, then Jeannette Justine Lawson Ebbs.