Dwight Eisenhower
Dwight Eisenhower is going to be seen as one of the greatest presidents of all time in some views but also recognized as one of the few that managed to promote party cooperation.
rce: commons.wikimedia
What else is interesting is Eisenhower was smart enough with an IQ of 131.9 to make it into West Point. After graduation, Eisenhower would become the mastermind of one of the most significant military operations of all time, Operation Overlord.