Recruited in 1999, Harl has now published eight courses with the Teaching Company, including The World of Byzantium and Rome and the Barbarians. (Harl recently whipped up a curriculum on Vikings because Hidalgo's research suggested that it would be a popular course.) Harl admits heearnsmore from his courses sold by Hidalgo (and related speaking engagements) than from Tulane.
If the Bush tax cuts expire, he will pay about a nickel more in taxes on the dollar of salary heearns each year but not a penny more on his billions of appreciation.