CORNWALL, Henry Bedinger, chemist, born in Southport, Connecticut, 29 July, 1844. He was graduated at Columbia College in 1864, and at the School of mines in 1867 as a mining engineer. From 1865 till 1873 he was assistant in the School of mines, with the exception of two years spent in study at the Freiburg, Saxony, mining-school. In 1873 he was elected to the chair of analytical chemistry and mineralogy in the John C. Green school of science of the College of New Jersey. In 1865 he was superintendent of the Continental zinc and lead company, of New York. During 1870-'1 he filled a similar office in the Geral silver-mining company, and spent fifteen months while in their employ examining the Batopilas mines, in Mexico. Prof. Cornwall has published numerous scientific papers, and has paid special attention to water-analysis. He has translated "Plattner's Blowpipe Analysis" (New York, 1870), and is the author of a " Manual of Blowpipe Analysis and Determinative Mineralogy" (1872).