Last name of Frank who invented the Milky Way bar; his family is still one of the USA's richest

If you are looking for the Last name of Frank who invented the Milky Way bar; his family is still one of the USA's richest answer and solution then you have come to the right place. This question aired today (June 13 2023) in the popular Jeopardy! TV Show. If you would like to know the answer then continue reading below:

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