Milestones in the History of Thematic Cartography, Statistical Graphics, and Data Visualization

{Milestones in the History of Thematic Cartography, Statistical Graphics, and Data Visualization}
An illustrated chronology of innovations by Michael Friendly and Daniel J. Denis
A good web reference for graphic designers who want to study info-graphic. It is interesting to check both their old web site and the current one to see how the idea was developed and visualized.