Grover Cleveland
Grover Cleveland is one of those people that made himself into what he is sawed as today. He came from a low-income family that could not afford to send him to college, but Cleveland still managed to become a lawyer.
rce: shutterstock
What else is interesting is even with an IQ of 130.9 Cleveland would be well known for being extremely honest in his work, but also the fact that he had a lot of work ethic going forward in his job.