In dictionaries:
William Rockefeller Sr.
William Avery "Devil Bill" Rockefeller Sr. (November 13, 1810 – May 11, 1906) was an American businessman, lumberman, herbalist, salesman, and con artist who went by the alias of Dr. William Levingston.
William Rockefeller Jr.
William Avery Rockefeller Jr. (May 31, 1841 – June 24, 1922) was an American businessman and financier.
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