Ada Lovelace, English mathematician, an associate of Charles Babbage, for whose digital computer prototype, the Analytical Engine, she created a program in 1843. She has been called the first computer programmer. Ada Lovelace Day, the second Tuesday in October, honors women’s contributions to scienc...
And this is the reason people in IT often refer to computers as "machines", because at some point they started to replace the people doing the computations, and they needed to differentiate.