Dorian Shainin (September 26, 1914 – January 7, 2000) was an influential American quality consultant, aeronautics engineer, author, and college professor most notable for his contributions in the fields of industrial problem solving, product reliability, and quality engineering, particularly the creation and development of the "Red X" concept.Shainin (pronounced SHAY-nin), founder of the technical-problem-solving company Shainin LLC, is responsible for the development of over 20 statistical engineering techniques that have become the core of the "Shainin System" for quality and reliability improvement.Throughout his life, Dorian Shainin worked to improve the quality and reliability of an array of products, including paper, printing, textiles, rubber, nuclear energy, airplanes, automobiles, cassette decks, space ships, light bulbs and disposable diapers, with clients representing over 200 different industries, ranging from the U.S.