Émile Gagnan was a French engineer who lived from 1900 to 1984 and who, in 1943, co-invented the Aqua-Lung with the French Navy diver Jacques-Yves Cousteau. The Aqua-Lung used the diving regulator, also called a demand valve, that made the first scuba equipment practical. Gagnan had designed that valve for regulating gas in gas-generator engines, and it proved excellent for regulating the air supply under varied pressure conditions, which let people explore the ocean far more easily even though the original purpose of the device had been different. He was born in Burgundy in November 1900.
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Émile Gagnan
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Source Émile Gagnan (Wikipedia)
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Source Aqua-Lung, Wikipedia
Source National Inventors Hall of Fame: Emile Gagnan
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1. Émile Gagnan (Wikipedia)
IntroductionQuote, Introduction
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.
National Inventors Hall of Fame: Emile Gagnan
National Inventors Hall of FameInvented: Scuba Diving, Inductee pageQuote, Invented: Scuba Diving, Inductee page
Emile Gagnan and Jacques Cousteau together invented the modern demand regulator used in underwater diving.
Aqua-Lung, Wikipedia
Invented: Aqua-Lung, IntroductionQuote, Invented: Aqua-Lung, Introduction
The Aqua-Lung was invented in France during the winter of 1942-1943 by two Frenchmen: engineer Émile Gagnan and Jacques Cousteau
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