2009 International Microwave Symposium Historical Exhibit - 50 Years Ago in Boston

Reviews some of the highlights of the featured events of this conferences and topics of previous conferences. Also included is a brief sketch of the accomplishments of Reginald Fessenden, who was responsible for the ?rst audio transmission by radio (which included the development of the heterodyne principle) (1900), the ?rst two-way transatlantic radio transmission (1906), and the ? rst radio broadcast of entertainment and music (1906).