James Garfield (IQ 141.5)
President Garfield became the second sitting president to be assassinated after Charles J. Guiteau shot him. Before the assassination, Garfield was the salutatorian of his class at Williams College. There were even rumors that he could write Latin with one hand and Greek with his other.
Theodore Roosevelt (IQ 142.3)
He is only one of four American presidents to have their face depicted on Mount Rushmore. He graduated from Harvard University and became one of the fiercest and most influential presidents America ever saw. When he died in his sleep at 60 years old, then-vice-president, Thomas R. Marshall, said that “Death had to take Roosevelt sleeping, for if he had been awake, there would have been a fight.”