Jacques Cousteau was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water. Some of his most important achievements include inventing the Aqua-Lung, which allowed underwater exploration and filming. He conducted research all over the world aboard his ship the Calypso. Cousteau won numerous awards and produced successful documentary films and TV shows about the ocean and marine life that brought public attention to the need to protect the environment.