Rutherford B. Hayes – 133.9
From 1877 to 1881, Rutherford B. Hayes was the 19th President of the United States, serving as a Republican politician. After months of fighting, he won the electoral vote but not the popular vote, comparable to George W. Bush in the 2000 presidential election. Mark Twain, the author, surprised everyone by expressing his support for Hayes. He was a member of the now-defunct Whig party and served three terms as governor of Ohio before becoming president. Hayes pushed for further black civil rights, but his attempts were blocked by the Democratic majority in Congress. With a score of 133.9, Rutherford B. Hayes had a lower IQ than the other presidents.
William Henry Harrison – 146.3
The record for the shortest term in office belongs to William Henry Harrison. Most people remember him for his terrible death while still serving in the military. From March 4, 1841, to April 4, 1841, he was in office for 31 days. After a gloomy inauguration day, the 9th president died of pneumonia. The president, it appears, declined to wear a coat and instead spoke from the back of a horse. William Henry Harrison, another ordinary president, had an IQ of 146.3. William Henry Harrison is mainly remembered for dying in office, setting a new record for the shortest term in office. He was the last president to witness the American Revolution, and he is best known for heading the army to victory.