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
Philippe Cousteau Jr. Philippe Cousteau Jr. Philippe-Pierre Jacques-Yves Arnault Cousteau Jr. is the son of Philippe Cousteau and the grandson of Jacques-Yves Cousteau. Cousteau has continued the work of his father and grandfather by educating the public about environmental and conservation issues. In 2017, he received an Emmy nomination for hosting the syndicated science series "Awesome Planet". Philippe and his wife Ashlan Gorse Cousteau currently co-star in the Travel Channel series Caribbean Pirate Treasure, the second season of which is scheduled to air in 2018. The show won the Cynopsis TV Award for the best adventure reality series after its first season. Philippe