Alexander Pavlovich Dianin, was a Russian chemist from Saint Petersburg, and was married to the adopted daughter of fellow chemist Alexander Borodin, was a Russian Romantic composer of Georgian origin, as well as a doctor and chemist, he was one of the prominent 19th century composers, known as what?
Alexander Dianin Alexander Pavlovich Dianin (Russian: Александр Павлович Дианин ; April 20, 1851 – December 6, 1918) was a Russian chemist from Saint Petersburg. He carried out studies on phenols and discovered a phenol derivative now known as bisphenol A and the accordingly named Dianin's compound. He was married to the adopted daughter of fellow chemist Alexander Borodin. In 1887, Dianin succeeded his father-in-law as a chair of the Chemistry Department at the Imperial Medical-Surgical Academy in St. Petersburg.
Sergei Aslamazyan Sergei Zakharovich Aslamazyan, also Aslamazian (Armenian: Սերգեյ Զաքարի Ասլամազյան , Russian: Серге́й Захарович Асламазя́н ; 27 January 1897 – 27 September 1978) was a Soviet Armenian cellist, composer, People's Artist of Armenian SSR (1945), awarded the Stalin Prize (1946). He was a co-founder and a member of Komitas Quartet from 1925 to 1968. He was the author of quartet versions of Komitas works. From 1947 he was a professor at Moscow State Conservatory.