Karl Hess (1923–1994) was an American national-level speechwriter and author. His career included stints on the Republican Right and the New Left before he became a libertarian anarchist.
The documentary film Karl Hess: Toward Liberty won the Academy Award for best short documentary in 1981.
Ludwig von Mises: ". The use of money in a market economy is a praxeologically necessary fact. That gold, and not something else, is used as money is merely a historical fact and as such cannot be conceived by catallactics." - Human Action