 Another convincing case where understanding of the body was extended beyond where Galen had left it came from these demonstrations of the nature of human circulation and the subsequent work of Andrea Cesalpino, Fabricio of Acquapendente and William Harvey.Some Galenic teaching, such as his emphasis on bloodletting as a remedy for many ailments, however, remained influential until well into the 19th century.Galenic scholarship remains an intense and vibrant field, following renewed interest in his work, dating from the German encyclopedia "Realencyclopädie der Classischen Altertumswissenschaft".