21 June 1655

Original Calendar: Julian (start of year: 25 Mar).

(As Marked: 21 Junii 1655.st.vet. 1 Julii 1655.st. N.)

Authors

Wallis, John (Dr), 1616-1703 Mathematician and cryptographer; Savilian Professor of Geometry, University of Oxford; F.R.S.

Recipients

Huygens, Christiaan, 1629-1695 Dutch physicist, mathematician, and astonomer

Origin

As marked: Scribebam Oxoniae

Oxford, Oxfordshire, England

Destination

As marked: Clarissimo Doctissimoque Viro D. Christiano Hugenio, Constantini Filio, tradantur Hagae-Comitis. | Leave it at the forraigne Post-house in London, to be sent to the Haghe in Holland.

The Hague, South Holland, (United Provinces) Netherlands

Language

Ancient Greek, Latin

Versions (originals, copies, etc)

• Letter
  • Repository: Bibliotheek der Rijksuniversiteit, Leiden

    City: Leiden

    Country: Netherlands

  • Shelfmark: Hug. 45, No. 227-8
  • Comments: 4 pp. Printed: Huygens, Œuvres complètes I, 335-40.
• Printed copy
  • Printed edition details: Correspondence of John Wallis (1616-1703). Volume I (1641-1659). Eds. Philip Beeley and Christoph J. Scriba. Oxford: OUP, 2003. 145-150.

Comments

• Reply to: Huygens-Wallis [3]/13.VI.1655. | Wallis pursues the discussion on quadratures further and responds to Huygens's astronomical conundrum by sending one of his own, which, as he later claimed, contained core discoveries by Neale and Wren.