Sorry, I don't yet have an answer to that question - though you may want to try me on mobile
where I can do far more
Give me a biographical description of Prince Nikolai Sergeyevich Trubetzkoy (also Trubetskoy; Russian:; Moscow, April 16, 1890 - Vienna, June 25, 1938), the Russian linguist and historian whose teachings formed a nucleus of the Prague School of structural linguistics
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