Louis Laurent Bertignac, born on February 23, 1954, in Oran, French Algeria, is a renowned French guitarist, vocalist, and songwriter. He began his musical career as a member of Shakin' Street and later became a founding member of the influential rock band Téléphone in 1976. After Téléphone disbanded in 1986, Bertignac formed the band Bertignac et les Visiteurs.

He launched his solo career with the album "Elle et Louis" in 1993, produced by Tony Visconti, followed by "'96" produced by Chris Kimsey. In 2004, Bertignac produced, arranged, and played guitar on Carla Bruni's debut album "Quelqu'un m'a dit," with Bruni contributing lyrics to his 2005 album "Longtemps."

Bertignac also performed at the Live 8 concert at the Palace of Versailles on July 2, 2005, and appeared as an actor in the film "Highlander III: The Sorcerer" in 1994. His discography includes work with Téléphone, Bertignac et les Visiteurs, and several solo albums.