William Howard Taft – 139.5
William Howard Taft, whose IQ was 139.5, was the only person to have presided over both the executive and judicial branches of government. William H. Taft was the 27th President of the United States and the only President to become the Chief Justice of the US. He grew up in Ohio and went to Yale to study law. He allegedly belonged to the secret society Skull & Bones while at the university. He practiced law and ultimately became a judge in his 20s. During his presidency (1909–13), East Asia received greater attention than any other region.
William Howard Taft
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