A talk by Jill Pipher, Elisha Benjamin Andrews Professor of Mathematics at Brown University and director of the Institute for Computational and Experimental Research in Mathematics. In the annual Sampson Lecture, sponsored by the mathematics department at Bates, Pipher describes the math and history behind a cryptographical breakthrough that, she says, "ultimately made the Internet Age possible by facilitating secure high-volume financial transactions and digital signatures." FMI 207-755-5989.