Showing posts with label John D. Rockefeller. Show all posts
Showing posts with label John D. Rockefeller. Show all posts
Monday, October 24, 2011
October 24, 2011
Today I learned that Bill Gates is the 20th richest person of all time. The richest man of all time was John D. Rockefeller. I also learned that an ox-hide ingot of copper is neither ox-hide or oxide, but is, in fact, a slab of copper shaped like an ox-hide.
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