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William Edwards Deming

William Edwards Deming (October 14, 1900 – December 20, 1993) was an American engineer, statistician, professor, author, lecturer, and management consultant. The Total Quality Management (TQM) effort builds on the pioneering work of Dr. William Edwards Deming, Dr. Joseph Moses Juran, and others, and benefits from both private and public sector experience with continuous process improvement. Plan-Do-Check-Act (PDCA) was made popular by Dr W. Edwards Deming, who is considered by many to be the father of modern quality control. PDCA (plan-do-check-act, sometimes seen as plan-do-check-adjust) is a repetitive four-stage model for continuous improvement (CI) in business process management. The PDCA model is also known as the Deming circle/cycle/wheel, Shewhart cycle, control circle/cycle, or plan–do–study–act (PDSA). W. Edwards Deming invited Walter Andrew Shewhart who pioneered Statistical Process Control (SPC) to speak at the Graduate School of the U.S. Department of Agriculture, and served as the editor of Shewhart's book "Statistical Method from the Viewpoint of Quality Control" (1939) which was the result of that lecture.