When he was 17, Neil deGrasse Tyson got a letter from Carl Sagan, the Cornell astronomer and popular science luminary. Tyson was a Bronx High School of Science student applying to colleges, and Sagan invited him for a tour of the lab at Cornell. It was “an act of generosity that has affected me my entire life,” Tyson says. A few years later, in 1980, Sagan launched Cosmos: A Personal Journey, a 13-part television series that explored heady subjects like black holes, extraterrestrial life, and the beginning of the universe. Sagan passed away in 1996, but the Cosmos project was intentionally left open-ended. Now Tyson, an astrophysicist who directs the American Museum of Natural History’s Hayden Planetarium, is set to pick up where Sagan left off with a new iteration of the series, Cosmos: A Space-Time Odyssey.
(from an article of mentalfloss.com)