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Émile Gagnan (1900 – 1984) was a French engineer and, in 1943, co-inventor with French Navy diver Jacques-Yves Cousteau of the Aqua-Lung, the diving regulator (a.k.a. demand-valve) used for the first Scuba equipment. [1]
The Aqua-Lung was invented in France during the winter of 1942–1943 by two Frenchmen: engineer Émile Gagnan and Jacques Cousteau, who was a Naval Lieutenant (French: lieutenant de vaisseau). It allowed Cousteau and Gagnan to film and explore underwater more easily.
Jacques Cousteau is depicted in the music video for the Plastic Bertrand song titled “Jacques Cousteau.” In the video Jacques Cousteau is depicted as wearing nautical attire and living in a fish bowl. Jacques Cousteau was briefly featured in the animated television series, "SpongeBob SquarePants", in the episode Spongebob's Big Birthday ...
The "Aqua-Lung" regulator was created by Jacques-Yves Cousteau and Émile Gagnan in 1943. [5]In 1946, the company known as La Spirotechnique (now Aqua Lung International) was established by both men together with Jean Delorme, CEO of Air Liquide, as a division of Air Liquide to sell the Aqua-Lung regulators.
Cousteau requested Gagnan to adapt his new own regulator to diving and both men patented in 1943 the first modern diving regulator. Early in 1943 Cousteau and Gagnan ordered Air Liquide to make at its factory in Boulogne-Billancourt two scuba set prototypes that Cousteau and Frédéric Dumas used to shoot the underwater film Épaves ...
Gagnan's boss, Henri Melchior, knew that his son-in-law Jacques-Yves Cousteau was looking for an automatic demand regulator to increase the useful endurance of the underwater breathing apparatus invented by Le Prieur, [12] so he introduced Cousteau to Gagnan in December 1942. On Cousteau's initiative, Gagnan's regulator was adapted to diving ...
The work was funded in part by the French petrochemical industry, who, along with Jacques Cousteau, hoped that such manned colonies could serve as base stations for the future exploitation of the sea. Conshelf Two is documented in Jacques Cousteau's 1964 documentary film World Without Sun, that won Best Documentary at the 37th Academy Awards.
World Without Sun (French: Le Monde sans soleil) is a 1964 French documentary film directed by Jacques-Yves Cousteau. The film was Cousteau's second to win the Academy Award for Best Documentary Feature, following The Silent World in 1956.