Dr. Carl Sagan (1934-1996) passed away on December 20th in Seattle, Washington. Dr. Sagan was an educator, scientist, and bestselling author. His work focused on space exploration, the origin of life, and climate change. Born in Brooklyn, New York, Dr. Sagan attended the University of Chicago, where he received his doctoral degree in astronomy and astrophysics. In the 1960s, he composed the widely-recognized series of Drake equation to determine the likelihood of the existence of intelligent life elsewhere in the universe. At Cornell University in the 1970s, Dr. Sagan wrote a number of books about science, including the classic science book, Cosmos, and its accompanying TV show. Both brought an interest in science to millions of people around the world. Dr. Sagan was the recipient of numerous awards, including the NASA Distinguished Public Service Medal, the NASA Exceptional Scientific Achievement Medal, 24 honorary degrees, and the Pulitzer Prize. Dr. Sagan inspired generations of students, scientists, and science enthusiasts alike. He will be remembered for his passion for the unknown, his ability to bring science to the public, and his commitment to expanding humanity’s knowledge about the universe.