Professor Donald R. Sadoway teaches 3.091 Introduction to Solid State Chemistry, one of the largest and most popular classes at MIT. In this video, Professor Sadoway closes the 2010 fall term of 3.091 with his characteristic charm and a celebratory champagne toast. Professor Sadoway is the John F. Elliott Professor of Materials Chemistry in MIT's Department of Materials Science & Engineering. He has won repeated awards for his teaching, including the MacVicar Fellowship. Find out why his methods are adored by watching Sadoway's 3.091 lectures at OpenCourseWare.