John F. Kennedy
One of the smartest presidents in American history, JFK’s legacy and his sky-high IQ of 159.8 are beyond impressive. Aside from making one of history’s greatest speeches, he was also rumored to be a ladies’ man. His most famous loves include Marilyn Monroe and Jackie O. When asked about his role as president, JFK quipped, “the pay is good, and I can walk to work.” The man is best remembered for his brilliant philosophical quotes and speeches.