History of Geographic Information Systems: Perspectives from the Pioneers, Timothy W.Foresman, Editor, Prentice Hall PTR, 1998, 397 p.ISBN 0-13-862145-4 The history of GIS barely spans four decades now, and it is a story that springs from many origins, and mingles many disciplines.Where its future lies is not at all certain, but now is the best time to begin to ask how it all began.The generation o