Neil deGrasse Tyson

Neil deGrasse Tyson is an astrophysicist who has gained public recognition by way of many appearances in the media. In addition to hosting the PBS series NOVA scienceNOW, he has appeared on The Colbert Report a half dozen times, The Daily Show and Late Night with Conan O'Brien at least twice each, participated in episodes of NPR's Wait Wait... Don't Tell Me!, features in several episodes of The History Channel's The Universe and been referenced on Stargate SG-1.

Tyson provided narration for a Sesame Street segment about the inner workings of the human heart.