Baldus de Ubaldis was a prominent Italian jurist and legal scholar born in 1327 in Perugia. He is best known for his contributions to the study of Roman law and his influential commentaries on various legal texts. His work laid the foundation for many legal principles that are still relevant today. Throughout his career, Baldus served as a professor at several universities, including Bologna and Pavia. He was a key figure in the development of the glossators and commentators schools of thought, which focused on interpreting and teaching civil law. His legacy continues to impact legal education and scholarship.