===> What is Alexander Pushkin famous for

Alexander Pushkin (diamond)

The Alexander Pushkin (Russian: Алекса́ндр Пу́шкин) is a 320.65 carat[1] colorless[2] raw diamond, the second largest gem diamond ever found in Russia or the territory of the former Soviet Union (after the 26th Congress of the CPSU), and one of the largest in the world as of 2016. It was mined at the Udachnaya kimberlitic pipe (Yakutia, Far Eastern Federal District) in December 1989[3] and named after the world-famous Russian writer Alexander Pushkin. It is kept in the Russian Diamond Fund (Moscow Kremlin).[4]

Source: Wikipedia