The recipient of this year's AAVC Award for Distinguished Achievement, Vera Cooper Rubin, will give a lecture titled "How I Left Vassar and Found Dark Matter: Reflections on Vassar and Astronomy" on February 8, 2007 at 3:30 p.m. in Sanders Auditorium. Dr. Rubin is one of the world's leading astronomers and is credited with proving the existence of dark matter. She is a senior fellow in the Department of Terrestrial Magnetism at the Carnegie Institution of Washington.