Richard Sullivan was born on 10 December 1752 and died at Thames Ditton on 17 July 1806. He was of Irish descent, his father being Benjamin Sullivan of Dromeragh, County Cork. He spent most of his early life in India with his elder brother, John. Returning from India, he toured Europe as well as Britain and eventually settled in London. He was elected to the Society of Antiquaries in 1785 and became an MP in 1787; he held the seat of New Romney until 1796, then was elected to Seaford on 5 July 1802. Pitt created him a Baronet on 22 May 1804.
From The Continuum Encyclopedia of British Philosophy in Oxford Reference.