ITT: we list leaders that changed the world for the better.
I don't know if you're trying to be edgy or not but he actually did.
>Fucked off the treaty of versailles and made Germany strong in a short time after WW1
>Made good on his promises to make Germany great again
It wasn't actually his fault first hand about the concentration camps and whatnot, he wrong mein kampf when he was crying and unhappy in hospital after losing a war. It was Joseph Goebbels that pushed the Aryan race and Lebensraum, both of which got them in the shit.
Even through secondary effect.
The second world war pushed humanities technology forward so much.
Even as tragic as it is, Josef Mengele's research using humans catapulted our understanding of the human body several decades ahead, pushing back ethical barriers to get knowledge faster.