Gates is not a self-made man. His father was a prominent lawyer, and his mother was on the board of directors at a bank. He was already basically guaranteed to be successful, even without forming Microsoft.
My point is more that if your parents have a few million, and you become the world's richest man, that's a lot more than if your parents are billionares and you become a billionaire...
He built one of the world's largest and most successful companies from the ground floor. That is orders of magnitude greater than just "being successful."
Wasn’t she on the board of IBM?
She served on an executive committee at the United Way with John Opel, the CEO of IBM at the time the PC was being born.