Mr Spock
The recent death of Leonard Nimoy has people talking not just about Nimoy (a much loved actor and man, by all accounts) but also the lasting impact of his famous Mr Spock.
I enjoyed this Incomparable podcast on the topic.
But from a purely science perspective, Mr Spock (and Nimoy) have probably inspired more scientific careers than we realise.
This came through a while back in a video I made for My Favourite Scientist: