Aleksei Aleksandrovich Balandin (December 20n.s., 1898 — May 22, 1967) was Russian/Soviet chemist. His primary contribution lies in the field of organic catalysis. He is the author of Multiplet Theory of Catalysis (1929). December 20 is the 354th day of the year (355th in leap years) in the Gregorian calendar. ... In Britain and countries of the British Empire, Old Style or O.S. after a date means that the date is in the Julian calendar, in use in those countries until 1752; New Style or N.S. means that the date is in the Gregorian calendar, adopted on 14 September... 1898 was a common year starting on Saturday (see link for calendar). ... May 22 is the 142nd day of the year in the Gregorian calendar (143rd in leap years). ... 1967 (MCMLXVII) was a common year starting on Sunday of the Gregorian calendar. ... State motto (Russian): Пролетарии всех стран, соединяйтесь! (Transliterated: Proletarii vsekh stran, soedinyaytes!) (Translated: Workers of the world, unite!) Capital Moscow Official language None; Russian (de facto) Government Federation of Socialist republics/ Communist state Area  - Total  - % water Largest on the planet 22,402,200 km² ?% Population  - Total  - Density 3rd before collapse 293,047,571 (July... Look up chemist on Wiktionary, the free dictionary. ... Organic chemistry is the scientific study of the structure, properties, composition, reactions, and synthesis of organic compounds that by definition contain carbon. ... In chemistry and biology, catalysis is the acceleration of the reaction rate of a chemical reaction by means of a substance, called a catalyst, that is itself unchanged chemically by the overall reaction. ... 1929 was a common year starting on Tuesday (link will take you to calendar). ...