Niyazi Hamid oglu Samadov was born on December 31, 1916 in Sheki. He graduated from the silk department of Shaki Agricultural College (1932), the Faculty of Agriculture of the Tashkent Institute of Agriculture (1941).
N.Samadov defended PhD dissertation (1951), doctor of sciences (1964), received the title of professor (1971), elected correspondent member of the Academy of Sciences of the Azerbaijan SSR (1980).
He served in the Soviet Army from 1941 to 1946, and in 1946 was enlisted in the rank of officer. He worked in the Institute of Zoology of ANAS as a junior researcher (1947), chief scientific officer (1954), deputy director for scientific work of the institute (1955-1961), from 1961 until the end of his life as head of the Laboratory of Entomology.
N.Samadov has great sevices in organizing and developing scientific research on Azerbaijan entomology, soil zoology, biocenology and plant protection, as well as training of scientific personnel. Samadov's research work is mainly devoted to the study of insect bites, the study of the bioecological features of the main species, the importance of farming and the development and application of scientific bases for the control of serious pests.
Samadov identified more than 2900 species of insects in 26 chapters, 16 of which were new to science, 43 were recorded for the USSR fauna, 89 were for the Caucasus fauna, and 760 were for the republic's fauna. He identified 431 species that are harmful to agricultural plants, of which 30 were first identified as pests.
Samadov actively participated in the organization and development of scientific research on soil zoology and biocenology in Azerbaijan based on the Human and Biosphere program.
N. Samadov is the author of more than 200 scientific articles, 5 monographs, 6 scientific brochures and 3 inventions. 8 of his works have been published in Austria, England, Germany, France and Czechoslovakia.
Under the guidance of N. Samadov 7 doctors of sciences and 40 doctors of philosophy were prepared and defended.
He was elected an active member of the Indian Academy of International Zoology (1972), Honorary Member of the All-Union Entomological Society of the USSR Academy of Sciences (1979), and was awarded the honorary title of Honored Scientist. For his participation in World War II he was awarded the Order of Patriotic War II and 8 medals.
Corresponding member of ANAS Niyazi Samadov died on May 23, 1989 in Baku.