A teacher probably taught him much of the math that he learned. Teachers are great at teaching math to students.
You are probably thinking of Ramanujan.
it is taught because when you grow up pretty much every job has math in it .
In his book, he says he pretty much taught himself.
He didn't get to go to school very much, but he learned to read and write Spanish during his travels. He also taught himself Latin because all the geography books were written in Latin.
Thoreau learned much about himself, the human spirit, and nature from living in the woods.
Math at the time of Marco Polo was not like the math (as advanced) we know today. In order to navigate the seas, Marco Polo needed math. Much math people of today don't know or care about. Of his time, I am sure he was much much beyond average skill in math. Survival of himself and his crew were dependent on his math-skills.
God has taught us so much about Himself, it would be impossible to describe it all. I highly suggest you study the Bible, because in it, God reveals every aspect of Himself to us. If you don't have access to a printed Bible, see related link below.
Houdini did not even complete school he taught himself for while so college was doubtful.
Clara Barton was wonderfully smart! She learned much from school, but she also became so smart because her family taught her everything she knew. cooking, sewing, battlefields riding horses, writing and arithmetic
yes he went to what they called a "blab school" with his sister sarah. he learned his numbers 1-10 and some reading, writing and spelling. -------------------------------------------------------------------------- He didn't have much "real" education. He borrowed books from his neighbors, learned from his mother, etc. He didn't go to a real school often.
at 16 she had enough education to teach at a third grade level. she was much smarter and learned a lot more of mental math and history than kids today
As a boy growing up in Indiana, he went to school only for brief periods as much of his time was spent working to support his family. He taught himself law and passed the Illinois bar exam in 1836. He had no formal education.