Macintosh, Charles (1766–1843)Scottish chemist who invented the waterproof fabric eventually known as mackintosh (1823), a layer of rubber dissolved in naphtha being sandwiched between two layers of cloth. Quality was much improved with the advent of vulcanized rubber (patented in 1844 by Charles Goodyear). Related category• CHEMISTSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |