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John Gall (author) Height

John Gall (September 18, 1925 – December 15, 2014) was an American author, scholar, and pediatrician. Gall is known for his 1975 book General systemantics: an essay on how systems work, and especially how they fail..., a critique of systems theory.

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Visible height is how tall the person appears to you, including footwear, hairstyle and proportions. It's about overall impression.

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