A notability of the Civil War period in England; was a Puritan of the republican type, born in Kent; studied at Oxford; emigrated for a time to New England, but returned, entered Parliament, took an active part against the Royalists, withstood Cromwell, and was openly rebuked by him; his opposition to the Protectorate led to his imprisonment for a time; at the Restoration he was arrested and beheaded on Tower Hill (1612-1662).