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William Kelly (born Aug. 21, 1811, Pittsburgh, Pa., U.S.—died Feb. 11, 1888, Louisville, Ky.) was an American ironmaster who invented the pneumatic process of steelmaking, in which air is blown through molten pig iron to oxidize and remove unwanted impurities.
- The Editors of Encyclopaedia Britannica
William Kelly (May 1821 – 27 March 1906) was a prominent Irish member of the Plymouth Brethren, amongst whom he was a prolific writer.
William Kelly (August 21, 1811 – February 11, 1888), born in Pittsburgh, Pennsylvania, was an American inventor. He is credited with being one of the inventors of modern steel production, through the process of injecting air into molten iron, which he experimented with in the early 1850s.
William Kelly (1821-1906) was born into an Episcopalian family from Ulster, Northern Ireland. As a young boy he was left fatherless. This misfortune did not rob him of his buoyant sense of humor, but did spur him to diligence in all areas of life.
May 22, 2012 · Learn about William Kelly, a 19th-century American inventor who developed the pneumatic process of steelmaking, which produced the first inexpensive steel. Discover how he met his wife, conducted his experiments, and faced competition from Henry Bessemer.
William Kelly, born two hundred years ago this year, has been called ‘the last prominent survivor of the first generation of Brethren (so-called)’, 1 and was widely acclaimed as an outstanding biblical scholar.
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Learn about William Kelly, who invented a method of making inexpensive steel in 1856, before Henry Bessemer. Find out how he challenged Bessemer's patent and merged with his interests.
