Lots of people were way more important than history books give them credit for. Do you have a favorite?
Mine are Ibn al-Haytham and Mansa Musa. For very different reasons. Ibn al-Haytham basically invented the scientific method. And Mansa Musa was such a baller that he caused inflation when he visited places.
Feynman Diagrams blow my mind sometimes. Like, his drawings to simplify a complex subject were basically a new form of math. But also…isn’t all math just drawings to understand a complex subject?