Professor Panos Patsalas from the Aristotle University of Thessaloniki will be giving a seminar titled "*The implication of using conductive nitrides as alternative plasmonic materials: going beyond TiN and ZrN*" at *11:30am in Birck 2001 on Monday, April 30th*. The OSA and SPIE student chapters will be hosting a student lunch with Prof. Patsalas in *Birck 2001 right after the seminar*.