Dr. Kaoru Ishikawa (July 13, 1915 – April 16, 1989) was a professor of engineering at the University of Tokyo.
He is most widely known for his work in the field of quality. He is credited with propagating the concept of quality circles (Deming shares in recognition for the growth of quality circles), and the cause and effect diagram.
His impact on the latter is so strong, that it is still often called the Ishikawa diagram.
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