Charles de Ganahl Koch is an American businessman, engineer, and philanthropist. As of May 2025, he is ranked as the 22nd richest man in the world on the Bloomberg Billionaires Index, with an estimate
F. A. Harper
…and practice for the libertarian movement is where Harper's influence is visible today. Current Institute for Humane Studies chairman of the board Charles Koch said that Harper's book, Why Wages Rise, influenced his philosophical framework. In 1978 and 1979 the Institute for Humane Studies published The Writings…