This book is the proceedings ofa conference held November 1-3, 1989, to honor Samuel D. Conte for his many contributions to computer sci- ences at Purdue University and to the profession as a whole. The com- puter sciences program reflected the breadth of Conte's interests and ac- complishments; there were tributes to Conte, perspectives on computer science itself, and research papers. The first part of these proceedings chronicles the career and contri- butions; much of it is based on Conte's remarks made at the conference banquet. The second part of the proceedings starts with one vision of...