Richard of Wallingford

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Richard of Wallingford
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{{EngvarB|date=June 2017}}{{Use dmy dates|date=June 2017}}

For the Constable of Wallingford Castle, see Richard of Wallingford.Richard of Wallingford, abbot and mathematician is not to be confused with the later Richard of Wallingford, constable of Wallingford Castle, and supporter of Wat Tyler in the English peasants' revolt of 1381.
Richard of Wallingford (1292–1336) was an English mathematician, astronomer, horologist, and cleric who made major contributions to astronomy and horology while serving as abbot of St Albans Abbey in Hertfordshire.


Richard was born, the son of a blacksmith, at Wallingford in Berkshire (now Oxfordshire) in England in 1292. When he was orphaned he was taken to William de Kirkeby the Prior of Holy Trinity Priory. Richard subsequently spent six years studying at Oxford University before becoming a monk at St Albans. He later studied for nine more years at Oxford. In 1327 he became abbot of St Albans.Richard of Wallingford is best known for the astronomical clock he designed, while he was abbot, which is described in the Tractatus Horologii Astronomici (1327). The clock was completed about 20 years after Richard's death by William of Walsham but was apparently destroyed during Henry VIII's reformation and the dissolution of St Albans Abbey in 1539. His clock almost certainly was the most complex clock mechanism in existence at the time in the British isles, and one of the most sophisticated ones anywhere.Thomas E. Woods Jr., How the Catholic Church Built the Western Civilization, page 36weblink The only other clocklike mechanism of comparable complexity that is documented in the 14th century is the astrarium by Giovanni de Dondi. It gave not just the hours and minutes of the day, but also the tide's ebb and flow as well as the motions of the sun and moon.BOOK, Durant, Will, The Reformation, The Story of Civilization, 6, Simon and Schuster, 1957, 242, Based on the 14th-century literary evidence still surviving in the 20th century, several scholars of horological history have tried to build recreations of Richard of Wallingford's clock. The best known of these was built by Haward Horological and for many years was displayed at the Time Museum (now defunct) in Rockford, Illinois; one was built by Eric Watson and is now in the Wallingford Museum, and one built in 1988 is located at St Albans Cathedral.Richard also designed and constructed calculation devices: a torquetum, the Rectangulus, and an equatorium, which he called Albion. The Albion could be used for astronomical calculations such as lunar, solar and planetary longitudes and could predict eclipses, and was capable of doing this without relying on a set of tables that had to be copied out.Hannam, James. God's philosophers: how the medieval world laid the foundations of modern science. Icon Books Ltd, 2009, 156 This is described in the Tractatus Albionis. He published other works on trigonometry, celestial coordinates, astrology, and various religious works.Richard suffered from what was then thought to be leprosy (although it might have been scrofula or tuberculosis) which he apparently contracted when he went to have his position as abbot of St Albans Abbey confirmed by the Pope at Avignon. He died at St Albans in 1336.

See also


missing image!
- Abbot Richard Wallingford.jpg -
Richard of Wallingford pointing to a clock, in reference to his gift to the abbey. His face is disfigured, possibly by leprosy.
  • North, J. (2004) God's Clockmaker: Richard of Wallingford and the Invention of Time. Oxbow Books. {{ISBN|1-85285-451-0}}
  • North, J. (1976) Richard of Wallingford – Volume I Texts and Translations, Volume II – The Life of Richard of Wallingford – Introductions and Commentaries to Text, Volume III – Illustrations, Tables, Appendices, Glossaries, Bibliography and Indexes; An edition of his writings, with introductions, English translation and commentary, Oxford Univ Press. {{ISBN|0-19-858139-4}}
  • Watson, E (1979) The St Albans Clock of Richard of Wallingford. Antiquarian Horology, Number 4, Volume 11, Summer 1979, p. 372–384.
  • WEB,weblink Richard of Wallingford, 5 May 2008,
  • WEB,weblink Miniature of Richard of Wallingford, 5 May 2008, {{Dead link|date=November 2010|bot=H3llBot}}
  • WEB,weblink Astronomical Clock, Originally designed by Richard, 5 May 2008,
  • WEB,weblink The Astronomical Clock of Richard of Wallingford, essay by Nicholas Whyte, 1 July 2008,
  • WEB,weblink Richard of Wallingford and the Clock of St. Albans, by Deryl Bender, 1 July 2008,

External links

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