American astronomer who is best known as one of the pioneers in the search for extraterrestrial intelligence, including the founding of SETI, mounting the first attempts at detecting extraterrestrial communications in 1961

American physicist born November 7, 1915; group leader at Project Manhattan (Trinity); transported the plutonium core of Trinity to test site in an old Plymouth car

American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in astronomy and natural sciences. Author. Host of the popular TV series Cosmos