Millard Fillmore
With an IQ of 149, Millard Filmore became a slave to his physical needs. He was so enchanted by Abigail Powers that he proposed to her, and she accepted. However, it seems that his focus was more on love than the welfare of the nation, with his presidential term dropping the country into the Civil War. Just like other presidents with high IQs, Fillmore is remembered as one of America’s worst presidents.