Bit of trivia: the monopoly character was said to be based on Samuel Insull who became Edison's private secretary and right hand man.
https://en.wikipedia.org/wiki/Samuel_Insull
https://www.google.com/search?q=monopoly+game+%22samuel+insu...
Having successfully argued for the creation of regulated utility monopolies, he assembled a huge empire which subsequently collapsed in the Great Crash of 1929, investors and indeed himself were wiped out...