Avicenna's Canon was translated into Latin.[71] In particular, the texts of Aristotle, Ptolemy,[lower-alpha 3] and Euclid, preserved in the Houses of Wisdom and also in the Byzantine Empire,[72] were sought amongst Catholic scholars. The influx of ancient texts caused the Renaissance of the 12th century and the flourishing of a synthesis of Catholicism and Aristotelianism known as Scholasticism in western Europe, which became a new geographic center of science. An experiment in this period would be understood as a careful process of observing, describing, and classifying.[73] One prominent scientist in this era was Roger Bacon.