Michael Vineyard, the Frank and Marie Louise Bailey Professor of Physics and chair of the Department of Physics and Astronomy, gave a talk titled “Rutherford Back-Scattering Experiment in the First-Year Seminar at Union College” at the 2011 Winter Meeting of the American Association of Physics Teachers in Jacksonville, FL, in January. The meeting celebrated 100 years of nuclear physics that began with the discovery of the atomic nucleus in 1911 by Ernest Rutherford. Scott LaBrake, Senior Lecturer and Accelerator Manager, was co-author of the paper.