Dr Philipp Nothaft

  • Chronology, calendars, and systems of dating (ancient to modern)
  • Medieval science (particularly astronomy)
  • European intellectual history (ancient to early modern)
  • Jews and Christians in medieval Europe
  • Ptolemaic Orbs in Twelfth-Century England: A Study and Edition of the Anonymous 'Liber de motibus planetarum'

  • John Holbroke, the Tables of Cambridge, and the "true length of the year": a forgotten episode in fifteenth-century astronomy

  • Zaccaria Lilio and the shape of the earth: A brief response to Allegro's "Flat earth science".

  • Criticism of trepidation models and advocacy of uniform precession in medieval Latin astronomy

  • A Reluctant Innovator: Graeco-Arabic Astronomy in the Computus of Magister Cunestabulus (1175)

  • Astronomy and calendar reform at the curia of Pope Clement VI: a new source.

  • Josephus and New Testament Chronology in the Work of Joseph Scaliger

  • Vanitas vanitatum et super omnia vanitas: The Astronomer Heinrich Selder and A Newly Discovered Fourteenth-Century Critique of Astrology

  • Controversial Rimes: Calender Reforms in the Old Empire 1582-1700

  • Duking it Out in the Arena of Time: Chronology and the Christian-Jewish Encounter (1100-1600)

  • More
List of site pages