The crossword solution for the term CONTACT is SAGAN. Carl Sagan was an American astronomer, astrophysicist, cosmologist, author, and science communicator. He is best known for his work as a science popularizer and communicator, and he is also known for his best-selling book 'COSMOS'. He was a professor of astronomy and space sciences at Cornell University and was a leading figure in the field of exobiology. He was also a strong advocate for the search for extraterrestrial life and CONTACT with extraterrestrial civilizations.