Louis Victor Jules Vierne (8 October 1870 – 2 June 1937) was a French organist and composer. As the organist of Notre-Dame de Paris from 1900 until his death, he focused on organ music, including six organ symphonies and a Messe solennelle for choir and two organs. He toured Europe and the United States as a concert organist. His students included Nadia Boulanger and Maurice Duruflé.