Wurman is cited in "Building Legible Cities 2 Making the Case" and, oh yeah, created the TED conferences.
2. http://wurman.com/rsw/ ( also http://www.ted.com/pages/16 )
The biggest innovation for me as a frequent long distance driver in the late 80's and early 90's was having every page the same scale. But the clarity of information on a given page or city was unprecedented, was easily glanceable while driving, and is still unmatched to this day though Google Maps' data view comes close while offering more details. But this was hand drawn.
Here's Cincinnati. Notice the state borders vs rivers:
Engineering maps tend to be generated far more directly from the source data, and as the quality of things like Google maps improves it gets harder and harder to meet people's cartographic expectations without human intervention.