Yes, that’s Morgan Freeman 😉 Yes, that’s AutoTune. As per the video description, “A musical investigation into the nature of atoms and subatomic particles, the jiggly things that make up everything we see. Featuring Morgan Freeman, Stephen Hawking, Michio Kaku, Brian Cox, Richard Feynman, and Frank Close. “The Quantum World” is the eleventh installment in the ongoing Symphony of Science music video series.”

Richard Feynman – Fun to Imagine
BBC Visions of the Future – the Quantum Revolution
Through the Wormhole with Morgan Freeman
Into the Universe with Stephen Hawking
Brian Cox TED Talk
BBC What Time is it
BBC Wonders of the Universe
BBC Horizon – What Is Reality