| Abdul Malki, U.S.S.R. Academy of Sciences (1985) | |||
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| V. G. Berezkin, ? (?) | |||
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| L. S. Polak, ? (?) | |||
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| Abram Ioffe, St. Petersburg Technological Institute (1902); Munich (1905) | |||
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| Lev Davidovic Landau, Lenningrad Univ. (1927) | |||
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| Niels Bohr (post-doctoral advisor), Copenhagen (1911) | |||
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| C. Christiansen, ? (?) | |||