For me it has to be Malcom X, I’m not American, but I read his autobiography
when I was young and it left a life long impression on me about justice and
resiliency. He grew up in an extremely oppressive society, his dad was murdered
and his mother was sent to the loony bin and he was clearly lost an...
Idk who downvoted you but I've only ever really seen him be exceedingly polite. Like, he'll get into a debate with someone who's clearly just there to stir shit and he will quite patiently and honestly respond to their concerns.
Love or hate his political opinions, he's just so nice it's hard to be mad at him.