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The Legacy of Jacques Cousteau 1910 - 1997
Jacques Cousteau was a French naval officer, oceanographer, author and filmmaker.
In 1942-3, as a Naval Lieutenant, Cousteau and a French engineer Émile Gagnan invented the Aqua-Lung. Cousteau improved the Aqua-Lung design which led to the first open-circuit, self-contained underwater breathing apparatus (or SCUBA). This invention revolutionised underwater diving and was a major factor in the rapid development of recreational and professional scuba diving throughout the world. For Cousteau and Gagnan it allowed them to film and explore the underwater world more easily and to share their discoveries with the world.