Jeff Bezos surpassed Bill Gates to become the richest man in the world last year with an estimated net worth of over $90 billion; his net worth is now said to be around $130 billion. Bezos has more cooking than Amazon alone and one of his cooler ventures is Blue Origin, a lesser known private space venture than SpaceX. Bezos has stated that

Source: Hot Hardware – Jeff Bezos And Blue Origin Have Cosmic Ambitions For Lunar Colonization