Émile Gagnan

Émile Gagnan (* November 1900 in Burgundy, † 1979) was a French engineer. Along with Jacques -Yves Cousteau, he is the developer of today's regulators, in the jargon called " Aqualung ".

Gagnan works on his studies ( in 1920 ) at the company Air Liquide and received by the company Piel a pressure reducer, which had already been patented in 1864 by the French Rouquayrol - Denayrouze, but too large and non-existent for diving at the 1940 compressed air bottles was adjusted.

During the German occupation of France in World War II Gagnan fit because of lack of gasoline on the market at this pressure reducer of the need to operate motors with gas. The device, made of bakelite he patented in his name.

His former boss at Air Liquide was an admiral in the French Navy, whose daughter was married to the Midshipman Jacques- Yves Cousteau and sought to improve the Marinetaucherei and their autonomy since 1930. He brought the two together and out of the work, the regulator developed.

Cousteau and Gagnan patent their invention in 1945 under the symbol CG45 ( for Cousteau Gagnan1945 ) and " Aqualung " for export. For the commercialization of their product they established within the Air Liquide company " La Spirotechnique ".

1947 emigrated to Canada from Émile Gagnan where he died in 1979.

• Engineer
• Frenchman
• Born 1900
• Died in 1979
• Man