Robert Boyle: Letters from him

Scope and Content

Robert Boyle to Captain Thornhill, 14 November 1678, concerning the repayment of a sum of money, 2 pages and address. The letter is signed by Boyle and his sister, Lady Ranelagh.

Robert Boyle to Sir Isaac Newton, 19 August 1682, concerning various matters, including the appearance of a comet, 2 pages and address.

Administrative / Biographical History

Robert Boyle (1627-1691), natural philosopher and chemist, was born at Lismore Castle, Munster, on 25 January 1627, the son of the 1st Earl of Cork. He was educated at Eton and by private tutors, and studied on the continent. Boyle settled at Oxford in 1654, where he erected a laboratory. He was responsible for 'Boyle's Law', which established the proportional relation between elasticity and pressure. He published many works between 1660 and his death on 31 December 1691.

Access Information

Open for consultation by holders of a Reader's Ticket valid for the Manuscripts Reading Room.

Acquisition Information

Received from the library of Sir Geoffrey Keynes, 1982.


Description compiled by Robert Steiner, Department of Manuscripts and University Archives. The biographical history was compiled with reference to the entry on Robert Boyle in Leslie Stephen and Sidney Lee, eds, Dictionary of national biography, vol. II (London, 1908), pp. 1026-1031.

Other Finding Aids


Related Material

Cambridge University Library holds a letter from Sir Isaac Newton to Robert Boyle, MS.Add.8537.


The letters are nos 865 and 866 in Sir Geoffrey Keynes, Bibliotheca bibliographici (London, 1964), p. 95.