Abstract
This year, the famous scientist and organizer of science and education in Kazakhstan, Academician of the National Academy of Sciences of the Republic of Kazakhstan Z.M. Muldakhmetov turns 90 years old. His scientific activity is closely connected with such branches of the theory of the structure of matter as molecular spectroscopy and quantum chemistry. His path in science reflects the history of the development of these scientific disciplines. The article gives a brief description of the creation of a scientific school of quantum chemistry in Kazakhstan with the direct participation of Z.M. Muldakhmetov.