Donato Bramante was an Italian architect and painter of the High Renaissance. He is best known for his work as an architect, particularly for his design of St. Peter's Basilica in Rome, which is considered one of the greatest architectural achievements of the Renaissance. Bramante was also known for his innovative use of classical architectural elements and his influence on the development of Renaissance architecture in Italy. His work had a significant impact on the architectural style of the time and continues to be studied and admired by architects and art historians today.