The Richard A. Auhll Professor and Dean of the College of Engineering at the University of California, Santa Barbara, Professor Matthew Tirrell, will be lecturing on Friday, November 16 in Conte A110-111 at 3:30 PM. His lecture titled, Polyelectrolyte Brushes in Various Multi-valent Environments, will be hosted by Professor Ryan Hayward. Dean Tirrell is a former alum of the Department of Polymer Science and Engineering. This lecture is open to the public. All are encouraged to attend. Refreshments will be served prior to the lecture.