421 VOLOGDIN 



with others . General Chemical Technology, Vol. 1-2. 



Mo scow -Leningrad: 1940-1946. 



with others, editors . Technology of phosphoric acid, double 



phosphate and ammonium phosphates (collection of research 



works). Moscow-Leningrad: 1940. 



Physico-chemical and technological analysis of phosphate 



decomposition with nitric acid and obtaining of fertilizers. 



Izvest. Akad. Nauk S.S.S.R., Ser. Khim. 1940, #5. 



Biography: 



Q. E. Zvyagintsev . Semen Isaakovich Vol'fkovich (for 60th 

 birthday). Zhur. Priklad. Khim., 1946, 19, #12. 

 A. M. Dubovitskii and M. E. Pozin. Semen Isaakovich Vol'f- 

 kovich (for 60th birthday). Zhur. Priklad. Khim., 1956, 29, 

 #11. 



Office: Chemistry Department 



Moscow University 

 Moscow, USSR 



Residence: M. Bronnaya 19/6 

 Moscow, USSR 



Telephone: B3 11 37 



VOLOGDIN, ALEKSANDR GRIGOREVICH (Geologist) 



A. G. Vologdin was born March 11, 1896. In 1925 he gradu- 

 ated from the Leningrad Mining Institute. He worked, in 1920, 

 for the Geological Committee and subsequently in organizations 

 developing from it. In 1943 he worked at the Paleontological 

 Institute of the U.S.S.R. Academy of Sciences. He was elected 

 to the U.S.S.R. Academy of Sciences in 1939 as a Corresponding 

 Member. 



Vologdin worked in the geology and minerals of Yuzhno- 

 Krasnoyarskii Kray, in paleontology (particularly the archaeo- 

 cyathus and the most ancient algae), in stratigraphy, in hydro- 

 geology, in geologic engineering, and in search for minerals of 

 commercial importance. 

 Bibliography: 



Archaeocyatals of Siberia, 1-2. Surveys. Moscow-Leningrad: 

 1931-32. 



Tubinsko-Sisimskii Region of the Minusinko-Khahaskii Ter- 

 ritory. Moscow- Leningrad: 1932. 



Kizir-Kazyrskii Region (with one map). Moscow-Leningrad: 

 1931. 



Archaeocyathus and Algae of Cambrian Limestone of 

 Mongolia and Tuva. I. Moscow -Leningrad: 1940. 



