* Honorary Member of the Academy of Sciences of the Armenian SSR
* Honorary Member of Academy of Sciences of the Tajik SSR
* Honorary member of Academy of Sciences of the Turkmen SSR
* Honorary Member of Bulgarian Academy of Sciences (1952)
* Honorary Member of Hungarian Academy of Sciences (1953)
* Honorary Member of the Romanian Academy of Sciences (1957)
* Honorary Member of New York Academy of Sciences USA (1958)
* Honorary Member of American Academy of Arts and Sciences in Boston (1960)
* Honorary Member of the London Chemical Society
* Honorary Member of the Chemical Industry Society of Great Britain
* Honorary Member of the Polish Chemical Society
* Honorary Member of National Institute of Sciences of India
* Honorary Member of the Royal Society of Edinburgh
* Full member of German Academy of Naturalists "Leopoldina" (1959)
* Full member of International Academy of Astronautics (1966)
* Member of the Polish Academy of Sciences (1954)
* Full member of Czechoslovak Academy of Sciences (1957)
* Foreign Member Royal Society of London (1961)
* Foreign member GDR Academy of Sciences (1950)
* Member of the European Society of Cultural Workers
* Doctor "honoris causa" University of Paris (1964)
* Doctor "honoris causa" University of Bordeaux (1966)
* Doctor "honoris causa" University of Jena
* Doctor "honoris causa" University of Calcutta
* Doctor Iasi Polytechnic Institute
* Member of World Peace Council (1950)