Pneumatic chemistry, education, and theology · 1733–1804
Joseph Priestley
Priestley investigated different kinds of air while also working as a minister, educator, and political writer. His experiments helped establish methods for preparing and comparing gases. In 1774 he isolated oxygen and communicated its preparation to other chemists. He continued to defend phlogiston even as others used his results to support a new chemical system. Political persecution eventually drove him from Britain to Pennsylvania.
Contribution & context
His contribution was experimental and communicative: a reproducible gas preparation and observations that other researchers could reinterpret. The value of those observations outlasted his preferred theory.
Discoveries in context
The gas that changed the explanation of fire ↗
Scheele and Priestley prepared an unusual gas; Lavoisier and his collaborators helped make it central to a different chemical system.
Sources & further reading
- Joseph Priestley ↗Science History InstituteHistorical account · Source checked
Sources and further reading. What the review labels mean