Gabe Newell, the founder of Valve and producer of the Half-Life series, is rich. This you probably already knew, but maybe not to this extent. Forbes has ranked the 100 richest people in the US, rounded to the nearest $100 million (peanuts, for these people) and it turns out Gabe is good for an estimated $5.5 billion. Still, all this money only makes Gabe the 97th richest person in America. The man with most money is still Bill Gates, who is said to have a net fortune worth $89 billion.
Thanks Game Informer.