John Gall

John Gall (September 18, 1925 – December 15, 2014) was an American author, scholar, and pediatrician.[1][2] 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. One of the statements from this book has become known as Gall's law. https://en.wikipedia.org/wiki/John_Gall_(author)

• wow a doctor, I wonder if he knew Samuel Shem....