This Centennial DVD includes two programs: a 25-minute history of the ADSA and a 9-minute presentation, The World of Dairy Science. The First 100 Years is an overview of the ADSA's origins, its growth, and its current contributions to the global dairy industry. This retrospective highlights the development of The Journal of Dairy Science, the ADSA Student Affiliate Division, the association's awards program, and the ADSA Foundation, and includes a number of comments from recent Past Presidents of ADSA.            Windows Media Video format (24:56, 26 MB*) The World of Dairy Science is a concise program touching upon current topics in dairy production and dairy manufacturing. The presentation includes comments from current ADSA Members and dairy producers. This program was shown during the Centennial Annual Meeting's Opening Ceremony, and could be used for short presentations at service club meetings and in classroom situations.            Windows Media Video format (9:00, 9.7 MB*) * Dial-up users warning: These video files may take an long time to download.