How do historians know about Charles Babbage?

Answer 1

Charles Babbage (1791-1871)

He was the great and famous professor of Mathematics subject in Cambridge University. He was the creator of the Analytical Engine the first general purpose digital computer (1833). The Analytical Engine was not built until 1943 (in the form of the Harvard Mark 1) Charles Babbage was called "Mr. Computer" by his peers. Charles Babbage had huge difficulties raising money to fund his research. As a last resort, he designed a clever mathematical scheme along with Ada, the Countess of Lovelace. It was designed to increase their odds while gambling. They bet money on horse races to raise enough money to support their research experiments.