The diagrammatic London "Tube map"[1] by Harry Beck is ought to be on that list together with the previously mentioned Charles Minard diagram of Napoleons invas

The diagrammatic London "Tube map"[1] by Harry Beck is ought to be on that list together with the previously mentioned Charles Minard diagram of Napoleons invasion of Russia[2]. [1]: http://en.wikipedia.org/wiki/Tube_map#Beck.27s_maps http://en.wikipedia.org/wiki/Tube_map#Beck.27s_maps [2]: http://upload.wikimedia.org/wikipedia/commons/2/29/Minard.png http://upload.wikimedia.org/wikipedia/commons/2/29/Minard.pn...