Question: 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?
Sentence (from "Alexander Dianin"): Alexander Pavlovich Dianin (Russian: Александр Павлович Дианин ; April 20, 1851 – December 6, 1918) was a Russian chemist from Saint Petersburg.
Relevant evidence: No