Moretus is the author of the first mathematical dissertations ever defended in Prague. Moretus' scientific diaries containing technical notes and drafts as well as his correspondence with pre-eminent European scholars of that time (Kircher, Conrad, Riccioli etc.) are preserved in the National Library of the Czech Republic. He died in Breslau.
^Meskens, A. (1997), "The Jesuit mathematics school in Antwerp in the early seventeenth century", The Seventeenth Century12 (1): 11–22, doi:10.1080/0268117X.1997.10555421, Another important pupil of the school of mathematics was Theodore Moretus (1602–1667), son of Petrus and Henriette Plantin.