if you were to meet any scientist who will it be?

Question: if you were to meet any scientist who will it be?

Asked by anon-201591 to Sophia, Meirin, George, Andy on 14 Mar 2019.
- Meirin Oan Evans answered on 14 Mar 2019:
  
  I’d love to go back in time to meet Richard Feynman. His enthusiasm when talking about science seemed infectious! For example https://www.youtube.com/watch?v=QkhBcLk_8f0 I’d hope to come up many of my own ideas from chatting to him.
  (Gotta go build that time machine now…)

Question: if you were to meet any scientist who will it be?