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Roger Of Hereford
Roger of Hereford (or Rogerus Herefordensis, or Roger Infans, or Roger Puer); a medieval astronomer, astrologer, alchemist and mathematician active in Hereford circa. 1178 - 1198. Roger's nationality, year of birth, and education are unknown. The earliest record dates to a commission in 1176 by Gilbert Foliot, the former Bishop of Hereford and then the Bishop of London, of a computus for the calculation of ecclesiastical dates. In this treatise Roger criticizes the calculations of Gerland (mathematician), Gerland as used in the standard text of the time, and draws on Hebrew and Arabic learning.BurnettHereford, Roger of (fl. 1176–1198) ''Oxford Dictionary of National Biography'' Roger's connection with Hereford are established by calculations in his tables setting the Meridian (geography), meridian at Hereford in 1178. It is probable that he and the Roger Infans attested in charters at Hereford (1186 - 1198), are one and the same. Roger's astronomical treatise, ''Liber de Quatuor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hereford
Hereford () is a cathedral city, civil parish and the county town of Herefordshire, England. It lies on the River Wye, approximately east of the border with Wales, south-west of Worcester and north-west of Gloucester. With a population of 53,112 in 2021 it is by far the largest settlement in Herefordshire. An early town charter from 1189, granted by Richard I of England, describes it as "Hereford in Wales". Hereford has been recognised as a city since time immemorial, with the status being reconfirmed as recently as October 2000. It is now known chiefly as a trading centre for a wider agricultural and rural area. Products from Hereford include cider, beer, leather goods, nickel alloys, poultry, chemicals and sausage rolls, as well as the famous Hereford breed of cattle. Toponymy The Herefordshire edition of Cambridge County Geographies states "a Welsh derivation of Hereford is more probable than a Saxon one" but the name "Hereford" is also said to come from the Angl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
