CfP: The Authors of the Early Modern Commentaries on De sphaera
Workshop: February 13-15, 2018 Deadline for abstract submission: March 30, 2017 Johannes de Sacrobosco compiled his Tractatus de sphaera during the 13th century in the frame of his teaching activities at the then recently founded University of Paris. The Tractatus, a qualitative introduction to geocentric cosmology, became a mandatory text all over Europe, and a tradition of commentaries was soon established and flourished until the second half of the 17th century. The original tract reappeared in the later treaties, but these were gradually enriched with further commentaries, chapters on different subjects, and a myriad of notes. The title also changed slightly so as to include the name of the original author; Sacrobosco became synonymous with his introductory textbook on cosmology. A long list of scholars broached this subject and produced new commentaries. A recent census shows that, after the spread of printing technology, ove...