Born November 9, 1934 in Brooklyn Died December 20, 1996 in Seattle Carl Sagan Born November 9, 1934 in Brooklyn Died December 20, 1996 in Seattle

American astronomer Astronomer, cosmologist, astrophysicist, astrobiologist, author, science writer, science popularizer and science communicator Focused on The Solar System and extraterrestrial life

Early Life Sense of wonder from his father 1939 World’s Fair in Queens Field trips to the library Museum of Natural History Hayden Planetarium Rahway High School

Formal Education At age of 16 he entered University of Chicago BA, BS, MS and PhD at University of Chicago Miller postdoctoral fellow at University of California at Berkeley

Junior Faculty at Harvard 1963 – 1968 Denied tenure

Faculty at Cornell 1968 – 1996 at Cornell University, Ithaca, NY

Scientific Achievements High surface temperature of Venus Saturn’s moon Titan possesses oceans of liquids Jupiter’s moon Europa may have subsurface oceans of water Synthesis of amino acids with water, methane, ammonia and electrical energy Search for extra terrestrial life with radio telescopes

Popular Science Cosmos, 1980

“billions and billions” “billions upon billions”

Icarus The Planetary Society Search for Extraterrestrial Intelligence AAAS