Eustathius of Thessalonica was a prominent 12th-century Byzantine scholar, theologian, and priest who served as the Archbishop of Thessalonica. Born in Constantinople around 1115, he rose through the ecclesiastical and academic ranks, eventually becoming a highly respected professor of rhetoric. He is widely recognized for his profound contributions to classical scholarship, particularly through his extensive commentaries on the works of Homer. Beyond his academic pursuits, he was a significant historical witness, providing a detailed account of the Norman siege of his city in 1185.