Harry Clary Jones (11 November 1865 – 9 April 1916) was an American physical chemist and a professor of chemistry at Johns Hopkins University. He worked extensively on the chemistry of solutions. His textbook Elements of Physical Chemistry was influential in its day. In 1913, he published a vision of chemistry in his book A new era in chemistry in which he noted the gaps of contemporary chemistry and indicated directions for work. Source: Wikipedia (en)