he delivered his famous speech to the students there, in which he called on Germans to rival Italians in learning and letters. This would later become an extremely popular address in sixteenth-century German nationalistic sentiment. In 1494, Celtes rediscovered Hrosvitha's works written in Latin in the monastery of St. Emmeram in Regensburg. His friend Willibald Pickheimer introduce him to Abbess Caritas Pickheimer. He wrote her in Latin and called her the "new Hrotsvitha". While the plague ravaged Ingolstadt, Celtes taught at Heidelberg. By now he was a professor. In 1497 Celtes was called to Vienna by the emperor Maximilian I, who honored him as teacher of the art of poetry and conversation with an imperial Privilegium, the first of its kind. There he lectured on the works of classical writers and in 1502 founded the Collegium Poetarum, a college for poets. His invitation to Vienna came about greatly at the influence of his friend and fellow scholar Johannes Cuspinian. Celtes died in Vienna a few years later of syphilis. According to Richard Unger, Celtes was a large scale book thief who walked around episcopal palaces and monastic libraries stealing books for his emperor and himself. He justified his behaviours on the basis of patriotic intentions, claiming that he only wanted to protect German patrimony from "damaging weather, dust, mold... insects", as well as Italians. Emily Abu writes that Celtis, Peutinger and their emperor took particular interest in cultural legacies that could provide connection between their German Roman Empire and the ancient Roman imperium. In the case of the Peutinger map (mentioned below), both Celtis and Peutinger made sure that any record of where Celtis found it as well as clues to the map's first three centuries were erased. Works Conrad Celtes' teachings had lasting effects, particularly in the fields of classical languages and history. He brought systematic methods to the teaching of Latin and furthered the study of the classics. He was also the first to teach the history of the world as a whole. Celtes was the first early modern humanist who introduced the term "topography" as a critical appraisal of the Ptolemaic dichotomy between cosmography and chorography, which was becoming insufficient to reflect the rapidly changing contours of Europe. He was the foremost cartographic writer in German lands. He worked on the large-scale cosmographic and cartographic project Germania Illustrata, of which the core — among them the treatise