—W. Edwards Deming, a statistician who devised “Plan-Do-Study-Act” method
It was in 1861 when Charles Joseph Minard, an 80-year-old French civil engineer, attempted to develop a visual that can narrate Napoleon’s disastrous Russian campaign of 1812. Figure 1-1 depicts people movement and exhibits details on geography, time, temperature, troop count, course, and direction.
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