John the Lydian
John the Lydian or John Lydus (Greek: Ἰωάννης Λαυρέντιος ὁ Λυδός; Latin: Ioannes Laurentius Lydus) (c. AD 490 – 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.