Charles Meymott Tidy (1843–1892) was an English medical man and sanitary chemist, a barrister who wrote also on legal matters.
Born on 2 February 1843, he was the son of William Callender Tidy, a physician in South Hackney and his wife, Charlotte Meymott.
During this period he was also associated at the London Hospital with Letheby, as joint lecturer in chemistry, and became interested in questions of sanitary reform and public health.
[1] Tidy gained a reputation and a large practice as an expert in water supply and the treatment of sewage.
In 1879 he published a paper on The Processes for determining the Organic Purity of Potable Waters (Journal of the Chemical Society, 1879, p. 46), in which he proposed a modification of Johan Georg Forchhammer's original process for determining the amount of organic matter in waters by oxidation with potassium permanganate.
[1] Tidy wrote works on legal medicine and chemical science, and also published technical papers and pamphlets.