Carl Sagan

(1934 – 1996)

Carl Edward Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences.

His contributions were central to the discovery of the high surface temperatures of Venus. However, he is best known for his contributions to the scientific research of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation.

He published more than 600 scientific papers and articles and was author, co-author, or editor of more than 20 books.

Sagan is known for many of his popular science books, such as The Dragons of Eden, Broca's Brain and Pale Blue Dot, and for the award-winning 1980 television series Cosmos: A Personal Voyage, which he narrated and co-wrote.