Joseph Priestley

24 March 1733 – 6 February 1804

Joseph Priestley (1733-1804) was an English chemist, natural philosopher, dissenting clergyman, and political theorist, credited with the discovery of oxygen, which he called 'dephlogisticated air'. He also invented carbonated water, wrote an influential history of electricity, and published widely on theology and liberal politics. After a mob destroyed his Birmingham home in the 1791 riots, he emigrated to the United States, spending his last years in Pennsylvania.

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Life events

Born in Birstall, Yorkshire
24 March 1733

Joseph Priestley was born at Fieldhead, Birstall, near Leeds, into a family of Calvinist cloth-finishers.

Source: en.wikipedia.org
Birth ✓
Studied at Daventry Academy
1752 – 1755

Priestley trained for the dissenting ministry at the academy in Daventry, where he received a broad education in science, philosophy, and languages.

Source: en.wikipedia.org
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Married Mary Wilkinson
23 June 1762

Priestley married Mary Wilkinson, sister of the ironmaster John Wilkinson; the couple had four children.

Source: en.wikipedia.org
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Elected Fellow of the Royal Society
1766

Priestley was elected to the Royal Society in recognition of his experimental work on electricity.

Source: en.wikipedia.org
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Published The History and Present State of Electricity
1767

Priestley's comprehensive history of electrical research, encouraged by Benjamin Franklin, became a standard work for over a century.

Source: en.wikipedia.org
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Invented carbonated water
c. 1772

While living next to a brewery in Leeds, Priestley devised a method of impregnating water with carbon dioxide, publishing his technique in 1772.

Source: en.wikipedia.org
Achievement ✓
Discovered oxygen
1 August 1774

Working at Bowood House, Priestley heated mercuric oxide and isolated a gas he called 'dephlogisticated air', now known as oxygen.

Source: en.wikipedia.org
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Home and laboratory destroyed in the Birmingham riots
14 July 1791

A mob hostile to Priestley's support for the French Revolution and his dissenting religion burned his house, laboratory, and library in the Priestley Riots, forcing him to flee to London.

Source: en.wikipedia.org
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Emigrated to the United States
April 1794

Priestley sailed with his family to America and settled in Northumberland, Pennsylvania, where he continued his scientific and theological work.

Source: en.wikipedia.org
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Died in Northumberland, Pennsylvania
6 February 1804

Priestley died at his home in Northumberland, Pennsylvania, and was buried in the town's Riverview Cemetery.

Source: en.wikipedia.org
Death ✓