Nikolai Sergejewitsch Trubetzkoy (* Moscow; † Vienna) was an Linguist, member of the Prague School[?]. Developed morphophonology.
... of Soviet Socialist Republics (USSR) Cheka (1917-1922) Gosudarstvennoye Politicseskoye Upravleniye[?] (GPU, 1922-1923) Obyedinennoye Gosudarstvenn ...