The richest man in the world (at one time) owned oil wells, refineries, tankers and pipelines, also hotels, a life insurance company, a finance company and aircraft companies.
He surrounded his 700-acre estate with bodyguards, vicious dogs, steel bars, searchlights, bells and sirens. In addition of being afraid of planes, ships and crackpots, he feared disease, old age, helplessness and death. He was lonely and gloomy and admitted that money could not buy happiness.