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W. Edwards Deming (1900-1993) An American quality expert who is widely known as ‘father of quality control’; introduced the concepts of ‘total quality control’; widely credited for placing Japan in its world leadership position in the quality of its manufactured products; also expanded the use of plan-do-check-act (PDCA) cycle, originally developed by Walter A. Shewhart (1891–1967); the Deming award for quality is named after him.