Recipient of the 1988 Mott Award

Recipient of the 1988 Mott Award

Journal of Non-Crystalline Solids 111 (1989) v North-Holland, Amsterdam Recipient of the 1988 Mott A ward E.A. Porai-Koshits Evgenii Aleksandrovich ...

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Journal of Non-Crystalline Solids 111 (1989) v North-Holland, Amsterdam

Recipient of the 1988 Mott A ward E.A. Porai-Koshits

Evgenii Aleksandrovich Porai-Koshits was born in St. Petersburg (now Leningrad) in 1907 in the family of a professor, later on an academician. In 1924 he left school (former gymnasium of M.N. Stojunina). B.P. Afanasjev, director of the gymnasium, was an excellent teacher of physics and a senior pupil of A.I. Shalnikov, later on also an academician. This experience determined the choice of professional field by E.A. Porai-Koshits. In 1931 he graduated from the Physical Mechanical Institute where he attended lectures given by A.F. Ioffe, V.I. Frenkel, V.A. Fok, M.P. Bronshtein and other prominent physicists. In 1932-1948 (with a three years' gap during 1936-1939) Poral-Koshits worked in the State Optical Institute: first in the laboratory of the author of crystallite hypothesis, academician A.A. Lebedev, and after 1939 in the laboratory of academician I.V. Grebenshchikov, who advanced the idea of chemical differentiation in inorganic glasses. His first publication on X-ray measurements of glasses written together with N.N. Valenkov appeared in 1936 in the international journal Zeitschrift ftir Kristallographie; it is interesting to mention that a reprint of this paper sent by his father to a Stalin concentration camp where he was imprisoned was handed to him with the words "Take this, your fascist journal". Porai-Koshits wrote his candidate thesis during the Leningrad blockade and obtained the candidate degree in 1943 in the Physical Technical Institute of the Academy of Sciences of the USSR in the city of Kazan. His doctor's degree was awarded in 1953 from the Leningrad State University, where for 20 years he gave lectures on X-ray structural analysis. Since the creation of the Institute of Silicate Chemistry in whose organization E.A. Porai-Koshits took an active part, he has, up to the present moment, been working in the laboratory of Physical Structural Research of Glass. For the research in this field, he was awarded the Lenin Prize in 1963. This laboratory was the first in the USSR to create a small-angle X-ray installation where in 1958 by SAXS method the first pattern of sodium borosilicate glass, and then of many other glasses, was obtained. Later on Porai-Koshits and his collaborators (Yu.G. Sokolov, V.N. Filipovitch, N.S. Andreev, D.A. Gaganov, V.V. Golubkov, V.I. Averyanov and others), who are at present candidates and doctors of science, studied the fine details of inorganic glass structure. A short resume of these studies is described in the paper by O.V. Mazurin (J. Non-Crystalline Solids, 99 (1988) pp. 1-11), The Man Who Discovered Inhomogeneity in Glass, published on the occasion of the 80th birthday of Porai-Koshits. Professor Porai-Koshits made a significant and in many respects a pioneering contribution to the general theory of the vitreous state.

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