Abraham Lincoln
You know him as the guy who abolished slavery, but you should know him as the guy who crushed the libertarian confederate movement during the Civil War. His name is Abraham Lincoln. He was the 16th president of the United States, and he had an IQ of 140.
Lyndon B. Johnson
Johnson had a reputation for being one of the nastiest presidents that America has ever seen. Although, he did manage to get a lot of important work done in Kennedy's wake. Lyndon B. Johnson was the 36th president of the United States of America, and he had an IQ of 140.