NUZHDIN 270 



NUZHDIN, NIKOLAI IVANOVICH (Biologist) 



N. I. Nuzhdin was born April 17, 1904. He graduated in 1929 

 from Teachers Institute in Yaroslavl. In 1935 he began work- 

 ing in the Institute of Genetics at U.S.S.R. Academy of Sciences. 

 He has been a member of the Communist Party since 1927. In 

 1953 he was elected a Corresponding Member of the U.S.S.R. 

 Academy of Sciences. 



Nuzhdin' s works are in the field of genetics, radiobiology, 

 and evolution. 

 Bibliography: 



Hereditary changes in ontogenesis. Zhur. Obshchei Biol., 

 1945, #6. 



Criticism of the idealogical theories of genes. Versus Re- 

 actionary Mendelism-Morganism. Moscow -Leningrad: 

 1950. 



Darwin and Mitchurian biology. Izvest. Akad. Nauk S.S.S.R., 

 Ser. Biol., 1952, #3. 



The role of hybridization in variability. Zhur. Obshchei 

 Biol., 1946, 7, #2. 



Interdependence between the condition of the chromosome 

 cellular nucleotide, speed of growth and development. Dok- 

 lady Akad. Nauk S.S.S.R., New Series, 1948, 60, #3. 

 Office: Institute of Genetics of USSR Academy of Sciences 



Leninskii Prospekt, 33 

 Moscow, USSR 

 Residence: 1-aya Cheremushkinskaya, 3 



Moscow, USSR 

 Telephone: VI 52 78 



OBREIMOV, IVAN VASIL'EVICH (Physicist) 



I. V. Obreimov was born March 8, 1894. In 1915 he gradu- 

 ated from Petrograd University. He worked at the State Opti- 

 cal Institute from 1919 until 1924 when he began work at the 

 Leningrad Physico-Technical Institute. Subsequently he worked 

 at the Physico-Technical Institute and from 1929 to 1937 was 

 the Director. In 1933 Obreimov was elected a Corresponding 

 Member of the U.S.S.R. Academy of Sciences and in 1958 an 

 Academician. He was awarded a Stalin Prize in 1946. 



Obreimov conducted scientific investigations on the physics 

 of crystals and molecular spectroscopy. He studied plastic 

 deformation and optical properties of single crystals and 

 spectroscopy of crystals at low temperatures. In his mono- 

 graph, On the application of Fresnel diffraction for physical 

 and Technical measurements (1945), (Stalin Prize 1946), 



