John D. Rockefeller, Elon Musk, Millionaires, And The Price Of Gold

A January of 2017 Smithsonian article by Kat Eschner placed the wealth of John D. Rockefeller as peaking at almost 900 million dollars in 1912. A little over a hundred years later, Elon Musk is the wealthiest American. How does the wealth of Musk compare to that of Rockefeller who is frequently presented as the wealthiest person...