Duke Albrecht III of Bavaria was a prominent nobleman who ruled from 1404 to 1438. He was a member of the House of Wittelsbach, a powerful dynasty in Bavaria. Albrecht III is known for his efforts to strengthen the duchy and for his involvement in various political alliances during his reign. He played a significant role in the Council of Constance, which aimed to address issues within the Catholic Church. Albrecht III also focused on cultural development, supporting the arts and education in his territory. His leadership helped shape the future of Bavaria during a time of political change in Europe.