William Henry Harrison (IQ 133.9)
How the times changed. This president, who was first a military man before he came to office, died only 32 days after taking oath. The cause of his death? Pneumonia.

William Henry Harrison
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Franklin Pierce (IQ 134.8)
He may have been a very smart man, but that doesn’t mean that he always knew what he was doing. Since his ideas on slavery were not shared by everyone, his country broke out into a civil war.

Franklin Pierce