John T WinthropJohn T. Winthrop studied x-ray holography and optical selfimaging at the University of Michigan, earning his doctorate in physics there in 1966. A Fellow of the Optical Society of America, he devoted his professional life to the design of varifocal lnses and holds many patents in the field of ophthalmic design. The Principle of True Representation documents his independent research into foundational matters. Read More Read Less
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