TSITSIN 400 



of a variable and periodic cross-section— spheres, semi-axis) 



were constructed. 



Bibliography: 



Calculation for Constructing Rolling Machines. Moscow- 

 Leningrad: 1938. 

 Rollingmills. Moscow: 1946. 

 Mechanisms of Rollingmills. Moscow: 1946. 

 Influence of external zones on the widening and distribution 

 of speeds and tension along the width of a rolled strip. 

 Problems of Metallurgy, 1953. 



Progressive processes of processing by pressure on plants 

 of mass machine building. Up-to-Date Technology of Ma- 

 chine Building. Moscow: 1955. 



Office: Central Construction Bureau of Metallurgical and 



Mechanical Engineering 

 Moscow, USSR 



Residence: B. Afanas'evskii, p. 3 

 Moscow, USSR 



Telephone: G6 01 11 



TSITSIN, NIKOLAI VASIL^EVICH (Botanist and Plant Breeder) 



N. V. Tsitsin was born December 18, 1898. He graduated 

 from the Institute of Agriculture and Melioration in Saratov in 

 1927 and worked at the AU-Union Southeastern Scientific Re- 

 search Institute of Agriculture. In 1932 he began working at 

 Omsk Regional Experimental Station (later the Siberian Scien- 

 tific Research Institute of Agriculture) and from 1936 to 1938 

 was the Director. In 1938-1949 and 1954-1957 Tsitsin was Di- 

 rector of the AU-Union Agricultural Exhibit in Moscow; 1938- 

 1948 Chairman of the State Commission on Quality Testing of 

 Grain, Oil-bearing Plants and Grasses; in 1940-1949 Director 

 of the Scientific Research Institute of the Non-Black Soil Belt 

 Grain Economy. He was made Director, in 1945, of the Chief 

 Botanical Gardens of the U.S.S.R. Academy of Sciences which 

 he had organized. From 1938 to 1948, he was Vice President 

 of the Lenin All-Union Agricultural Academy. Tsitsin has been 

 a member of the Lenin All-Union Agricultural Academy since 

 1932 and an Academician of the U.S.S.R. Academy of Sciences 

 since 1939. In 1938 he became a member of the Communist 

 Party of the Soviet Union. He was elected an Honorary Member 

 of the Rumanian Academy of Sciences in 1946 and, in 1947, of 

 the Czech Academy of Agriculture. In 1958 he was made Chair- 

 man of the Society of Soviet-Indian Cultural Relations. He has 



