Joseph Priestley, Discoverer of Oxygen, Dies February 6, 1804
Even the most casual observer has heard of Doctor Joseph Priestley, who is known as the discoverer of oxygen. Dr. Priestley was a controversial figure in his native England and in America, where he spent the last ten years of his life in Northumberland, Pennsylvania. His contemporaries and friends included Ben Franklin and Thomas Jefferson along with chemist and inventor James Watt.
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