Solving Approach
Words in this cipher average roughly 4.4 letters apiece. Short words are common here, so scan for one- and two-letter groups first; they narrow the alphabet fast. This is rated easy, so expect the pattern to reveal itself quickly once a few common letters fall into place.
About John D. Rockefeller
John D. Rockefeller was an American oil magnate who built the Standard Oil Company into the world's largest oil refiner during the late 19th century. His business practices, though sometimes ruthless, made him one of history's wealthiest individuals. Rockefeller famously believed in the "Gospel of Wealth," emphasizing that the rich had a moral duty to give back to society. He became known for his philanthropic efforts, particularly in education and medical research, leaving a legacy that extended far beyond the oil industry.
Did you know? The U.S. Supreme Court ordered the breakup of Standard Oil in 1911, ruling that the company had violated antitrust laws by illegally monopolizing the oil industry.