John Hall Gladstone President of the Chemical Society He lectured at St Thomass Hospital from to In he was elected a fellow of the Royal Society He is regarded as one of the founders of physical chemistry He undertook research into optics and the refraction and the dispersion of liquids He was also interested in educational reform and strongly advocated the teaching of science in elementary schools He was vicechariman of the London School Board to From Men of Mark a gallery of contemporary portraits of men distinguished in the Senate the Church in science literature and art the army navy law medicine etc Photographed from life by Lock and Whitfield with brief biographical notices by Thompson Cooper Conducted by G C Whitfield London