Osadchuk Alexander Vladimirovich - Doctor of Technical Sciences, Professor, Head of the Department of Radio Engineering, Vinnytsia National Technical University, Vinnytsia, Ukraine. Scientific direction – investigation of physical processes in semiconductors and semiconductor devices and the development of radiomeasuring microelectronic transducers of physical quantities. Prof. A.V. Osadchuk the beginning of a new scientific direction for the development of radiomeasuring microelectronic sensors of the frequency output signal based on the reactive properties of transistor structures with negative resistance. The results of scientific work published more than 650 scientific papers, including 20 monographs, 15 textbooks, 220 patents for inventions.