Dr. Paul Messina, Director of Science at the Argonne Leadership Computing Facility of Argonne National Laboratory, will present the 2013 Peebles Memorial Lecture entitled "Scientific computing, will the lessons learned apply to the future?" on Thursday, April 25. The Peebles Lectures in Information Technology series sponsors one lecture per academic year in areas of information technology relevant to research, teaching, or creative activity in academe. Speakers are chosen by virtue of a mix of distinction in academic endeavors in information technology, innovation in its application, and iconoclastic views.