Studied in Glasgow under Thomas Thomson F.R.S. 1811 and at Paris under J. B. A. Dumas (For. Mem R. S. 1840). Attended a medical course at Trinity College, Dublin and at Belfast and Edinburgh where in 1835 he took M. R. C. S. diploma and M. D. degree. Later practiced medicine in Belfast and taught chemistry in the Royal Belfast Academic Institution. In 1845 he gave up his medical practice and was appointed Professor of Chemistry in Queen's College, Belfast. He resigned this appointment 1879. Received a Royal Medal 1844 and was elected F. R. S. 1849. President of the British Association 1874 and declined a knighthood 1880. He wrote many important papers and discovered the existence of a critical temperature above which a gas cannot be converted into a liquid by pressure. Resigned his chair in 1879.
From the description of Papers, 1836-1877. (Unknown). WorldCat record id: 84043551
Chemist and Fellow of the Royal Society.
From the description of Correspondence, 1842-1873. (Unknown). WorldCat record id: 78638295
From the description of Papers and correspondence. (Unknown). WorldCat record id: 77833143