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
Jean-Michel Cousteau Jean-Michel Cousteau Jean-Michel Cousteau (born 6 May 1938) is a French oceanographic explorer, environmentalist, educator, and film producer. The first son of ocean explorer Jacques Cousteau, he is the father of Fabien Cousteau and Céline Cousteau. Cousteau is the son of Jacques-Yves Cousteau and Simone Melchior. Cousteau first dived with an aqua-lung in 1945 when he was 7 years old. Although he went to school to study architecture, he joined his father's Cousteau Society, serving for twenty years as executive vice president before striking out on his own in 1993 to produce environmental films. Cousteau and his father disagreed on