His wife and immediate heirs are the richest family in the United States.
With a fortune of some $90bn (the size of Singapore's GDP), they have as much money as Bill Gates and Warren Buffett combined.
The father/husband started off the family business in 1948 and died, after a highly successful business career, in 1992.
Can you name this man and identify his business legacy ?
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The list of those who gave the correct answer will be published on Friday.
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