Commemorating Joseph Priestley’s Discovery of Oxygen

A theologian, educator, political theorist and scientist, Dr. Joseph Priestley (1733–1804) was a man of the Enlightenment. “By the age of 61,” Steven Johnson wrote in The Invention of Air, “Priestley had won the Copley Medal (the Nobel Prize of its day) for his experiments on various gases in his late thirties . . . published close to 500 books and pamphlets on science,...
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