John Lydus

John the Lydian or John Lydus (Greek: Ἰωάννης Λαυρέντιος ὁ Λυδός; Latin: Ioannes Laurentius Lydus) (AD 491 – c. 565) was a Byzantine administrator and writer. He is considered a key figure in antiquarian studies from the fourth to the sixth century A.D. Although he is a secondary author, his works are significant because they are filled with valuable insights into history, astronomy, astrology, mythology, religion, and language. Additionally, they provide important information on Roman and Byzantine culture, making them worthy of in-depth study. Life and careerHe was born in AD 491 at Philadelphia in Lydia, whence his cognomen "Lydus". At an early age he set out to seek his fortune in Constantinople, and held high court and state offices in the praetorian prefecture of the East under Anastasius and Justinian. Around 543, Lydus was appointed to a chair of Latin language and literature at an institute of higher education of Constantinople. In 552, he lost Justinian's favour and was dismissed. The date of his death is not known, but he was probably alive during the early years of Justin II (reigned 565–578). Literary workDuring his retirement he occupied h