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Kaoru Ishikawa

Kaoru Ishikawa (July 13, 1915 - April 16, 1989) was a Japanese organizational theorist, Professor at the Faculty of Engineering at The University of Tokyo, noted for his quality management innovations. The term quality circle was most accessibly defined by Professor Kaoru Ishikawa in his handbook, "What is Total Quality Control: The Japanese Way" (1985). A quality circle or quality control circle is a group of workers who do the same or similar work, whom meet regularly to identify, analyze and solve work-related problems. The Seven Basic Tools of Quality introduced by Kaoru Ishikawa in 1968 are - Cause-and-effect diagram (also known as the "herringbone", "fishbone" or Ishikawa diagram), Check sheet, Control chart, Histogram, Pareto chart, Scatter diagram, Stratification (alternately, flow chart or run chart).