In The Enlightened Joseph Priestley Robert Schofield completes his two-volume biography of one of the great figures of the English Enlightenment. The first volume, published in 1997, covered the first forty years of Joseph Priestley's life in England. In this second volume, Schofield surveys the mature years of Priestley, including the achievements that were to make him famous--the discovery of oxygen, the defenses of Unitarianism, and...