"Great Soviet Encyclopedia" (EB) is a publication that has become a true symbol of culture and education in the former Soviet Union. This encyclopedia is one of the largest and most authoritative sources of knowledge in the past. In its pages, the "Great Soviet Encyclopedia" covered a wide range of topics - from history, science and culture to technology, sports and natural sciences. Each article was written by highly qualified specialists and contained comprehensive and objective information. This encyclopedia sought to enlighten and educate generations of Soviet citizens, inspiring the study of science and culture. It became an integral part of the family library of every Soviet home and to this day remains a valuable source of knowledge and a resource for research in the field of various scientific disciplines.