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.
Vasily Andreyev Vasily Vasilievich Andreyev (Russian: Василий Васильевич Андреев ; 15 January [O.S. 3 January] 1861 1918) was a Russian musician responsible for the modern development of the balalaika and several other traditional Russian folk music instruments, and is considered the father of the academic folk instrument movement in Eastern Europe. His accomplishments included: