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Who Created the 5 Whys?

Six Sigma – iSixSigma Forums Old Forums Finance Who Created the 5 Whys?

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  • #24435

    Roger Frankford
    Member

    My question is somewhat but hard for me. Who was the original creator 0f the 5 why’s? I was told it was Ishikawa. But now it looks like he created the fishbone. Maybe Ishikawa did both. Your help is appreciated. Thank you

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    #58648

    T. Minor
    Member

    Roger,
    Generally speaking,  Taiichi Ohno is credited with innovating the problem solving approach known as the “5 Whys”.  Ohno attributed his approach to lessons learned from Sakichi Toyoda (father of Kiichiro Toyoda).
    Hope this helps.

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