Jacques-Yves Cousteau known as Jacques Cousteau ( born 11 June 1910 ; died in 25 June 1997 ) was a French naval officer , explorer , ecologist , filmmaker , innovator , scientist , photographer , author and researcher who studied the sea and all forms of life in water . Jacques-Yves Cousteau ( ; commonly known in English as Jacques Cousteau ; 11 June 1910 â `` 25 June 1997 ) was a French naval officer , explorer , ecologist , filmmaker , innovator , scientist , photographer , author and researcher who studied the sea and all forms of life in water .