Jacques-Yves Cousteau (11 June 1910 25 June 1997) was a French naval officer, explorer, ecologist, filmmaker, scientist, photographer, author and researcher who studied the sea and all forms of life in water. He co-developed the aqua-lung, pioneered marine conservation and was a member of the Académie française. He was commonly known as Jacques Cousteau or Captain Cousteau.
Cousteau's legacy includes more than 120 television documentaries, more than 50 books, and an environmental protection foundation with 300,000 members.
Cousteau liked to call himself an "oceanographic technician." He was, in reality, a sophisticated showman, teacher, and lover of nature. His work permitted many people to explore the resources of the oceans.
His work also created a new kind of scientific communication, criticised at the time by some academics. The so-called "divulgationism", a simple way of sharing scientific concepts, was soon employed in other disciplines and became one of the most important characteristics of modern TV broadcasting.
Cousteau died on 25 June 1997. The Cousteau Society and its French counterpart, l'Équipe Cousteau, both of which Jacques-Yves Cousteau founded, are still active today. The Society is currently attempting to turn the original Calypso into a museum and it is raising funds to build a successor vessel, the Calypso II.
In his last years, after marrying again, Cousteau became involved in a legal battle with his son Jean-Michel over Jean-Michel licensing the Cousteau name for a Caribbean resort, resulting in Jean-Michel Cousteau being ordered by the court not to encourage confusion between his for-profit business and his father's non-profit endeavours.
In 2007 International Watch Co introduced the IWC Aquatimer Chronograph 'Cousteau Divers' Special Edition. The timepiece incorporated a sliver of wood from the interior of Cousteau's Calypso research vessel. Having developed the diver's watch, IWC offered support to The Cousteau Society. The proceeds from the timepieces' sales were partially donated to the non-profit organization involved into conservation of marine life and preservation of tropical coral reefs.