Zafar Usmanov

Zafar Juraevich Usmanov (; 26 August 1937 – 13 October 2021) was a Soviet and Tajik mathematician, doctor of physical and mathematical sciences (1974), professor (1983), full member of the Academy of Sciences of the Republic of Tajikistan (1981), Honored scientist of the Republic of Tajikistan (1997), laureate of the State Prize of Tajikistan in the field of science and technology named after Abu Ali ibn Sino (2013). Provided by Wikipedia