M.C. Escher Visions of Symmetry

Summary: Doris Schattschneider received her Ph.D. in mathematics from Yale University and taught at Moravian College in Bethlehem, Pennsylvania for thirty-four years. Douglas R. Hofstadter trained in mathematics and physics, Hofstadter is Professor of Computer Science and Cognitive Science at Indiana University, and in addition does work in comparative literature, art, music, and other fields.