Carl Sagan
Neil deGrasse Tyson on the Influence of Carl Sagan


Neil deGrasse Tyson, world-renowned astrophysicist, author and director of the Hayden Planetarium, talks about meeting Carl Sagan for the first time when he was just 17 years old. Sagan, a professor at Cornell University, personally wrote to deGrasse Tyson upon seeing his application to the university, inviting him to visit … Continue reading