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A Scottish industrial chemist with a historian’s curiosity, he wrote about the long, multicultural roots of chemistry rather than treating it as a purely modern science. His surviving work blends practical scientific knowledge with a lively interest in how ideas travel across centuries.

by James Mactear
James MacTear (1845–1903) was a Scottish chemical engineer and industrial chemist who became a partner and technical manager at the St Rollox Chemical Works in Glasgow. He was closely associated with large-scale chemical manufacturing in the late 19th century, and later reference works describe him as an engineer as well as a writer on chemistry.
For readers, he is best known today for On the Antiquity of the Chemical Art, a published address that explores the early history of chemistry. In it, he argues that chemical knowledge drew on much older traditions than was often acknowledged, looking beyond a single origin story and pointing to influences from several ancient cultures.
Only a small amount of biographical information is easy to confirm online, but the picture that emerges is clear: he was a working scientist from industrial Glasgow who also cared deeply about the history of his field. I couldn't confirm a suitable portrait image from reliable page images, so no profile image is included.