Pol Pot - he rounded up anybody he thought was intellectual and had them executed. And how he told someone was intellectual or not was whether they wore glasses. If they're that clever, take them off when they see him coming!
“Before, I guess, mum and dad were everything, but now, in my case, I had two new girls and all of a sudden they're completely dependent on you and there's a third generation. It's a funny shift all of a sudden. You have the babies, you have yourself and then you have your parents.”