Zoltán Balla
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Ipolyság 27 March 1909 – † Ipolyság, 19 May 1988 / Doctor, phonetic researcher ; ; He graduated in Prague in 1933, and worked as a doctor in Ipolyság and its surroundings from 1934 until his retirement. His novel theory of the acoustic structure of speech sounds was rejected by many, but after his death, several people wrote about him with appreciation. In 1945, he proposed an international writing reform to facilitate communication between people. ; ; His main works: ; The Logic of Visual Thinking, 1946.