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 Academie franeaise. He was commonly known as "le Commandant Cousteau" or "Captain Cousteau"
