FILE ** An undated file photo shows Swiss oceanographer Jacques Piccard, son of physicist Auguste Piccard, with his pocket-submarine "F. A. Forel" on the lake of Geneva, Switzerland. Jacques Piccard, one
PDF) François-Alphonse Forel (1841-1912)
François-Alphonse Forel - Wikipedia
Lionel Gauthier : "La baignade dans le Léman intéresse tout le monde !" | Living with Rivers