The Yale University Chemical and Biophysical Instrumentation Center, in conjunction with Rigaku Americas Corporation, is pleased to announce the 6th Rigaku Sympoium to take place on Friday, October 19, 2018, in the Chemistry Department. The event is free and open to the public, but preregistration is required. The symposium on X-ray diffraction features interactive workshops with tutorials on X-ray characterization for macromolecular, small molecule, and materials projects. There will be keynote speakers who are leaders in the field of X-ray analysis and scientific research. This year’s confirmed speaker list is Theodor Agapie, California Institute of Technology; Edward Snell, Hauptman Woodward Institute; Anna Pyle, Yale University; and Robert Crabtree, Yale University.