Stephen Hawking is a really inspirational physicist and obviously one of the most famous. Two of my favorite scientists are Vera Rubin (whose work showed that dark matter exists!) and Jocelyn Bell Burnell who discovered a type of star called a pulsar, which spin super fast and light up the sky like lighthouses! Unfortunately Vera Rubin died a couple of years ago, but Jocelyn Bell Burnell is still working at Oxford University and I got the chance to meet her (she was super nice!).
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