Jacques Cousteau and Pierre-Antoine was released in 1954. During the 1940s, Cousteau is credited with improving the aqua-lung design which gave birth to the open-circuit scuba technology used today. According to his first book, "" (1953), Cousteau started diving with Fernez goggles in 1936, and in 1939 used the self-contained underwater breathing apparatus invented in 1926 by Commander Yves le Prieur. Cousteau was not satisfied with the length of time he could spend underwater with the Le Prieur apparatus so he improved it to extend underwater duration by adding a demand regulator, invented in 1942 by Émile Gagnan. In 1943 Cousteau tried
Fabien Cousteau education. Fabien Cousteau is the grandson of famed oceanographic explorer Jacques-Yves Cousteau, and son of Jean-Michel Cousteau who assisted Jacques-Yves on most of his expeditions. Fabien Cousteau was born and raised in France, although he has lived in the United States for the majority of his life. He has a sister, Céline Cousteau. Cousteau's first scuba dive came at age four when Jacques-Yves Cousteau strapped a custom made scuba tank to his back and sent Fabien Cousteau off into the Mediterranean Sea. His interest in sharks began at a young age, about 6 or 7, and was piqued when he