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!
“Well, many insane people and seriously mentally ill people seem very reasonable.”
“I was planning, I told everybody, to take him on the road with me. At the very least I fully expected to keep up my hectic pace, and my passion as a war correspondent.”