Neil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium, Research Associate at the American Museum of Natural History, and host of NOVA scienceNOW on PBS. Okay, I'll admit it, I'm a nerd, and I think deGrasse Tyson is so totally cool!!!
He's a frequent guest on The Daily Show and for good reason. deGrasse Tyson has a vibrant on-screen presence, seems geniunely friendly and just spouts the most interesting scientific facts. If only my high school science classes had been this exciting!