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Walter A. Shewhart: The father of Statistical Process Control

Life Qi

Walter Shewhart (1891 - 1967), known by all as the 'father of statistical process control', became famous, not only for being the master of Deming, but especially for his contributions in the field of statistics and for having developed the theory of common and special causes of variations.

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Lloyd Nelson: The man who developed the concept of Special Cause Variation

Life Qi

As with many of our Improvement Heroes, Nelson’s ideas stemmed from work done by Walter A. Shewhart and his invention of the 8 Nelson rules is still guiding and inspiring Quality Improvement (QI) to this day. Let’s find out more about his background, influences and ground-breaking work.