Lysippos was a Greek sculptor of the 4th century BC. Lysippos, Skopas an Praxiteles are considered the three great sculptors of the Classical Greek era, bringing transition into the Hellenistic era. Taken together, the large workshop of Lysippos, the demand for replicas of his work in his lifetime and later among Hellenistic and Roman connoisseurs, the number of disciples directly in his circle and the survival of his works only in copies, pose problems of method for the student.