Happy 80th birthday to one of the greatest famous people who changed the world forever, Stephen Hawking. Not only he changed the history of science forever and making science famous for this professor and his iconic wheelchair with a computer voice, but he wrote his famous book "The Brief History of Time," he guest starred in The Simpsons, Futurama, and The Big Bang Theory, and other fun and interesting stuff about him. Happy birthday, Professor Hawking, and rest in peace!

https://m.youtube.com/watch?v=Isim0ysZ6X4&source=doodle-ntp