How the Rockefellers Closed Half the Medical Schools in the United States

Flashback to the early 20th century.The Rockefeller operation hired non-doctor Abraham Flexner to come up with a report(PDF) on how to limit the supply of doctors. The rest is history. Wikipedia has a nice summary of the destruction:

In 1904, there were 160 M.D. granting institutions with more than 28,000 students. By 1920, there were only 85 M.D. granting institution, educating only 13,800 students. By 1935, there were only 66 medical schools operating in the USA.

Limiting supply and raising prices: the legacy of the Progressive Era in America.