Rahmanberdiev Gappar Rahmanberdievich was born on May 16, 1938 in Tashkent, Uzbekistan. He is of Uzbek nationality. G.R. Rahmanberdiev is a doctor of chemical sciences, Acad. D. in Chemistry from the Academy of Sciences of the Republic of Kazakhstan. He is a professor at the Tashkent Chemical-Technological Institute. He is a major scientist in the field of chemistry and technology of cellulose and its derivatives.