John Locke was born August 29, 1632, at Wrington, a village of Somersetshire, about eight miles from Bristol. He was the eldest of two sons of John Locke, a man of some property, who had been bred to the law, but became afterwards a captain under Cromwell. In those turbulent times he met with losses which diminished his fortune, and he left an inconsiderable inheritance to his son. Locke received his education at Westminster School, and Christ Church, Oxford. While an undergraduate he was chosen to write a welcome on the occasion of a visit which Cromwell paid to that University, just after the conclusion of his peace with the Dutch. This he did in a laudatory copy of verses in English and Latin, comparing the great Protector to Julius for warlike, and to Augustus for peaceful, accomplishments. This and some Latin verses, prefixed to a work of Sydenham’s, are Locke’s only poetical attempts. There is little merit in either. He was a great admirer of the meagre verse of Sir Richard Blackmore, which is no great evidence of his poetical taste. Between the degrees of Bachelor and Master of Arts he was elected Student of his college. From that time he applied himself diligently, for many years, to the study of medicine, without, however, practising it as a matter of gain. The weakness of his health probably gave this turn to his thoughts: his brother died of consumption; and he himself was apprehensive through life of falling a victim to the same disease. In 1664 he went abroad as secretary to Sir W. Swan, envoy to the court of Brandenburg; and on his return to Oxford the year following, he applied himself to the discovery of the effects of the air on the human frame. His first work, published in 1667, was a register of the variations in the atmosphere, determined between certain periods by the common instruments, as a supplement to a work by Boyle.