Solo diving II. In the late 1940s, after the invention of the Aqua-lung by Cousteau and Gagnan, the first retail underwater breathing apparatus for sport was commercially marketed. As the sport expanded through the 1950s, several sporting organisations – notably the Young Men's Christian Association (YMCA) – began scuba training programmes for swimming enthusiasts, thus began the codification of what was believed to be proper practices for the expanding amateur sport of scuba diving. The buddy system was thought to be a useful corollary to the "never swim alone" edicts of the YMCA swimming and lifesaving programmes. Cousteau independently implemented a buddy
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