Joseph Priestley
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Joseph Priestley was an English chemist, Unitarian, natural philosopher, separatist theologian, grammarian, multi-subject educator and classical liberal political theorist. He published over 150 works
Portrait, c. 1797
Priestley's birthplace (since demolished) in Fieldhead, Birstall, West Yorkshire – about six miles (10 km) southwest of Leeds
Mary Priestley, by Carl F. von Breda (1793)
Priestley's "electrical machine for amateur experimentalists", illustrated in the first edition of his Familiar Introduction to the Study of Electricity (1768)
Phlogiston theory
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The phlogiston theory, a superseded scientific theory, postulated the existence of a fire-like element dubbed phlogiston contained within combustible bodies and released during combustion. The name co
Joseph Priestley
…discovery of several "airs" (gases), the most famous being what Priestley dubbed "dephlogisticated air" (oxygen). Priestley's determination to defend phlogiston theory and to reject what would become the chemical revolution eventually left him isolated within the scientific community. Priestley's science was integral…
The alchemist and physician J. J. Becher proposed the phlogiston theory.
Georg Ernst Stahl