Margaret Murnane delivered the 39th Annual Bertman Lecture for the Department of Physics on May 2. Murnane is a distinguished professor of physics at the University of Colorado Boulder, a member of the National Academies of Science and a fellow of the American Physical Society. She has been awarded numerous prizes for her work in ultrafast science.Murnane spoke on “Ultrafast Coherent X-Ray Beams on a Tabletop and Applications in Nano and Materials Science.”Brian Stewart, associate professor of physics, spoke about the annual lecture.