The article highlights some important philosophical and Islamic views and works of the famous Russian, Dagestani scientist Abdullaev Magomed Abdullayevich, in connection with his 90th anniversary of the birth and 70th anniversary of scientific, pedagogical and social activities. The author notes the importance and relevance of the problems raised in numerous monographs and articles, especially the specifics of Islam in the Caucasus and Dagestan, and the uniqueness of regional Sufism. Thanks to the works of Magomed Abdullayevich, the original views of doz-ens of thinkers representing the multinational Republic were preserved in historical memory. It is emphasized that he is not only an academic scientist, but also a publicist whose works on topical religious issues played a constructive role in particularly dramatic periods of the development of our country and our republic. Overcoming the stereotypes in assessing Islam that formed during the Soviet period of the county’s development, he shows that it is an integrating factor for the entire culture and life of Dagestanis.