1843 James Van Zandt Blaney: "first teacher of chemistry and the first commercial analyst in Chicago" (American Chemists and Chemical Engineers, vol. 2). Born 1820, u.g. Princeton, M.D. Jefferson Medical College (Philadelphia) 1841, settled in Chicago in 1843, helped found Rush Medical Collegeand taught chemistry and pharmacy there. In the 1850s he and Guy A. Mariner began to teach "analytical, pharmaceutical, experimental, and theoretical" experiment

chemistry in a private "School of Chemistry"; they also did commercial analyses for prospectors, agriculturalists, and business men. Took professorship of natural sciences at Northwestern in 1857; left to join the Union Army in 1861. Returned to be President of Rush and professor of chemistry there in 1866; died in 1874.

1848 Founding in Chicago of Richmond & Company, Agents for Onondaga Salt (later to become Morton International)

1852 E. H. Sargent & Company established, as a retail drug store. Began to stock laboratory supplies in order to supply assay chemicals to meet the demand from the discovery of gold in the West. Became importers and makers of laboratory apparatus. Merged in 1973 with Welch to form Sargent-Welch Scientific Company, specializing in science education supplies for K-14.

1880 William Hoskins: Born 1862, 2 years of high school and no formal training in chemistry. In 1880 hired by Guy Mariner to prepare samples for chemical analysis (Mariner, a 1854 graduate of the Lawrence Scientific School at Harvard, was one of three commercial chemists in Chicago at the time). Ultimately became partner in Mariner's firm and married Mariner's daughter. Hoskins became a recognized expert witness in lawsuits, an inventor with at least 37 U.S. patents, and played a part in the development of Nichrome carried out in his laboratory by Albert L. Marsh. Active in the American Chemical Society and held in highest esteem by the Chicago chemical community. Died in 1934.


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