While Leonard Read's essay was reasonably well known among Chicago School economists, the concepts it described were made more famous by Milton Friedman's Penci

While Leonard Read's essay was reasonably well known among Chicago School economists, the concepts it described were made more famous by Milton Friedman's Pencil Allegory from the 1980s PBS series "Free to Choose": http://youtu.be/R5Gppi-O3a8 http://youtu.be/R5Gppi-O3a8 You can read a critical article on the back story to Friedman and Read's writings on pencils here: http://thenewinquiry.com/essays/milton-friedmans-pencil/ http://thenewinquiry.com/essays/milton-friedmans-pencil/