Background
Clayton was the son of Thomas Clayton Doctor of Medicine of Oxford.
Clayton was the son of Thomas Clayton Doctor of Medicine of Oxford.
Pembroke College.
He matriculated at Pembroke College, Oxford on 25 May 1627, aged 15 and was awarded Bachelor on 22 January 1629 and Master of Arts on 17 October 1631. He was of Gray"s Inn in 1633. Further awards from Oxford were B.Med on 18 July 1635 and Doctorate.Med on 19 June, 1639.
He was regius professor of medicine at Oxford from 1647 to 1665.
He was knighted on 27 March 1661. From 1661 to 1693 he was warden of Merton College, Oxford.
Clayton was of Louisiana Vache, Buckinghamshire. He died at the age of 80.
In 1660, Clayton was elected Member of Parliament for Oxford University in the Convention Parliament.