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
Céline Cousteau Céline Cousteau Céline S. Cousteau (born June 6, 1972) is a socio-environmental advocate and public figure. She is known for her work as documentary film director, producer, explorer, artist, public speaker, brand ambassador and designer. She is the Founder/Director of CauseCentric Productions and Co-Founder/ Chairman of the Board of the Céline Cousteau Film Fellowship. Céline is the daughter of ocean explorer and filmmaker Jean-Michel Cousteau and granddaughter of Jacques Yves Cousteau. Cousteau was born in California to Jean-Michel Cousteau, a renowned documentary-maker and environmental advocate, and Anne-Marie Cousteau, a former expedition photographer. She is the sister of Fabien Cousteau, an