GIBBS, OLIVER WOLCOTT American chemist, was born in New York city on Feb. 21, 1822. He gradu ated at Columbia college in 1841, and at the College of Physicians and Surgeons in 1845. Leaving America he studied in Ger many with von Liebig and others, and in Paris with A. Laurent, J. B. Dumas and H. V. Regnault, returning in 1848. In that year he became professor of chemistry at the Free Academy, now the College of the City of New York, and in 1863 he obtained the Rumford professorship in Harvard university, a post retained until his retirement in 1887. He died on Dec. 9, 1908. Gibbs' re searches were mainly in analytical and inorganic chemistry, the cobaltammines, platinum metals and complex acids being especially investigated. He was an excellent teacher, and contributed many articles to scientific journals.