|Born||29 December 1766
|Died||25 July 1843
|Significant advance||Waterproof clothes|
Macintosh was born in Glasgow, and was first employed as a clerk. He devoted all his spare time to science, particularly chemistry, and before he was twenty resigned his clerkship to take up the manufacture of chemicals. In this he was highly successful, inventing various new processes. His experiments with one of the by-products of tar, naphtha, led to his invention of waterproof fabrics, the essence of his patent being the cementing of two thicknesses of natural (India) rubber together, the rubber being made soluble by the action of the naphtha. For his various chemical discoveries he was, in 1823, elected a fellow of the Royal Society.
Macintosh married, in 1790, Mary Fisher, daughter of Alexander Fisher a merchant of Glasgow. Charles Macintosh died in 1843 at Dunchattan, Scotland, and was buried in the churchyard of Glasgow Cathedral.
- "Neilson, James Beaumont (1792–1865)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/19866. (Subscription or UK public library membership required.)
- Lee, Sidney, ed. (1893). "Macintosh, Charles". Dictionary of National Biography 35. London: Smith, Elder & Co. p. 113.
- G. Macintosh, Biographical Memoir of the Late Charles Macintosh, 1847
- R. B. Prosser, ‘Macintosh, Charles (1766–1843)’, rev. Geoffrey V. Morson, Oxford Dictionary of National Biography, Oxford University Press, 2004 (Subscription or library card required for online edition)
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press
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