Born in
Libourne, Londeix began his saxophone study with bassoonist Jules Ferry at the Bordeaux Conservatory. He later studied with
Marcel Mule at the Paris Conservatory. He also studied with
Fernand Oubradous and
Norbert Dufourcq, among others. He then served as the saxophone instructor at the Conservatory of
Dijon for 18 years. He retired from the
Conservatoire de Bordeaux, France in 2001. Londeix won an international saxophone competition when he was 15 years old. He was the founder of the "French Saxophonists Association" and the "International Saxophone Committee." More than 100 varied compositions have been written specifically for him, and he has published several pedagogical works. Some famous saxophone players who have studied with him include Matthew Patnode, Richard Dirlam, Perry Rask, Russell Peterson,
Ryo Noda, Jan Baker, James Umble, Robert Black, Susan Fancher, Ross Ingstrup, William Street,
Christian Lauba and Jack Kripl (winner of the prize for Saxophone at the International Competition for Musical Performers in Geneva Switzerland, 1970). Londeix died on 3 March 2025, at the age of 92. ==Teaching career==