The 40th Annual Mathematics Symposium at Western Kentucky University will be held virtually from 8 a.m. to 5:30 p.m. Feb. 20. Featured speakers are James Harrington of NASA’s Goddard Space Flight Center and Professor Stacey Smith? of University of Ottawa, Canada. Registration is free. The symposium is sponsored by the WKU Department of Mathematics, Ogden College of Science and Engineering, and The Gatton Academy of Mathematics and Science in Kentucky.