"Stephen Hawking's been watching too many Hollywood movies. I think the only kind aliens in Hollywood are the ones created by Steven Spielberg - 'Close Encounters of the Third Kind' and 'E.T.,' for example. All other aliens are trying to suck our brains out."
American astrophysicist and science communicator. He serves as director of the Hayden Planetarium in New York and has hosted and produced science programming and media. He is widely known for public education work in astronomy.