John Millington was born 11 May 1779 near London. Licensed as attorney in England, he later turned to engineering. Professor of Royal Institution. In 1829, moved to Mexico as engineer with Anglo-Mexican Mining Association. Moved to Philadelphia, Pa. 1832. Professor of Chemistry and Natural Philosophy at College of William and Mary, 1836-1848. Took degree of doctor of medicine at Jefferson Medical College, Philadelphia. Professor of Chemistry and Natural Science at University of Mississippi. Professor, Memphis (Tenn.) Medical College. Died in 1868.