John D. Rockefeller Billionaire
Before becoming possibly the richest man in history (taking inflation into account), John Rockefeller was the lowly son of a dodgy con artist and high-school student in suburban Cleveland, Ohio.
Greeley did this all without any formal education to speak of. By the age of fifteen, he had already left home to take an apprenticeship with a printer in Vermont. By the time he was twenty he had moved to New York City and begun working for The New Yorker and the New York Tribune. John Glenn Astronaut
John Glenn: he became a war hero and one of the most famous astronauts in history, despite being a college dropout. Glenn attended Muskingum College, where he studied science, but when the Japanese bombed Pearl Harbor he dropped out in order to fight in World War II.
Incidentally, Jobs was adopted, and the stipulation set forth by his birth mother only agreed to give him up to Paul and Clara Jobs when they agreed that they would make sure he attended college. Well, mission partly accomplished.
When Twain was eighteen, he worked as a printer in cities such as New York, Philadelphia, and St. Louis, while spending his evenings in the public libraries.
Instead, Ford left home at the age of seventeen and became an apprentice with a machinist in Detroit—a career path he would ultimately take to another level on his way to becoming a wildly rich and successful industrialist. Despite having next to no real education, Ford created the mechanized assembly line—and it wasn’t long before Detroit gained the nickname of the Motor City because of his incredible work.
Abraham Lincoln US President Honest Abe was more or less entirely self-educated, though at an early age he actually had a reputation of being lazy. This did not stop him from starting down a career in politics in his early twenties, and being admitted to the bar after teaching himself the law in his free time.
Albert Einstein Physicist Einstein eventually made it into college and earned a degree, of course, because men of his staggering intellect always find a way in the end. But the simple fact of the matter is that the greatest mind of the twentieth century was in fact a high school dropout.