Carl Sagan
Carl Edward Sagan was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, poet, and science communicator. He wrote many popular science books, such as The Dragons of Eden, Broca’s Brain and Pale Blue Dot. He narrated and co-wrote the award-winning 1980 television series Cosmos: A Personal Voyage. He died of pneumonia at the age of 62, on December 20,...