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Weightman, William (30 September 1813–25 August 1904), manufacturer, chemist, and financier, was born in Waltham, Lincolnshire, England, the son of William Weightman and Anne Farr. Weightman emigrated to the United States when he was sixteen at the suggestion of his uncle John Farr, a chemist and founder of the firm Farr & Kunzi, established in 1818. Farr & Kunzi was the first company to experiment with conchona alkaloids in the United States, at the same time that Pellatier and Gaventou were announcing their discovery of that substance in 1820. Weightman entered the firm in 1820, and when Kunzi retired in 1836, Weightman and another associate, Thomas Powers, formed Farr, Powers & Weightman. In 1841 Weightman married Louise Stelwagon; they had three children....