Dear Colleagues, Every year the Optical Society of America (OSA) and the Society for Optics and Photonics (SPIE) sponsors the annual Traveling Lecturer Program featuring talks by world leading experts working in the broad fields of Optics and Photonics. This year we are delighted to host Professor Mark Brongersma and Professor Richard Haglund as the 2016 OSA and SPIE Lecturers respectively. The details of the Lectures are provided below: OSA Centennial Lecture by Professor Mark Brongersma (Stanford University) Title: Active Optical Antennas and Metasurfaces Date: Tuesday Oct 18, 2016 from 10am to 10:45am Venue: Birck 1001 SPIE 2016 Visiting Lecture by Professor Richard Haglund (the Stevenson Professor of Physics, Vanderbilt University) Title: A Phase-Changing Oxide for Ultrafast Silicon Photonics Date: Tuesday Oct 18, 2016 from 2pm to 2:45pm Venue: Birck 1001 All student members of OSA and SPIE are also invited to an informal lunch and discussion session with the Speakers in Birck 1001 from 1pm to 2pm. Please see the attached flyer for details. We look forward to having you join us for the 2016 Traveling Lecturer Program. Sincerely, Justus Ndukaife President of the Purdue Student Chapter of the Optical Society of America PhD Candidate in Electrical Engineering, Purdue University