" Later, I talked with Doug Trumbull, a Hollywood director now but then a special-effects man for the movie Close Encounters of the Third Kind. He had looked me up because he was interested in interspecies communication. Since my career had been devoted to dolphins and the problems of communicating with them, I was one of a number of people Doug was questioning about how we might relate to creatures intelligent but totally different from us. I didn’t know which movie he was working on then—I got the impression it was about an airplane—but when I saw Close Encounters, which is about man’s first contact with an alien intelligence, I realized what we had been talking about. "

― , Behind the Dolphin smile: One Man's Campaign to Protect the World's Dolphins