So with Stephen Hawking's Passing, which is devastating, are there any scientist(s) that you look up to? Mine would Carl Sagan. He died when I was little, but after getting into astronomy, I started to know who he was and what he did. After hearing so many speeches and lectures, his imagination and ideas astonish me. I'd love to know who are they and why. What kind of impact have they had on your life? Dead or alive, famous or not, it doesn't matter.