Given the following context:

The music of the national anthem, created by Alexander Alexandrov, had previously been incorporated in several hymns and compositions. The music was first used in the Hymn of the Bolshevik Party, created in 1939. When the Comintern was dissolved in 1943, the government argued that "The Internationale", which was historically associated with the Comintern, should be replaced as the National Anthem of the Soviet Union. Alexandrov's music was chosen as the new anthem by the Soviet leader Joseph Stalin after a contest in 1943. Stalin praised the song for fulfilling what a national anthem should be, though he criticized the song's orchestration.In response, Alexandrov blamed the problems on Viktor Knushevitsky, who was responsible for orchestrating the entries for the final contest rounds. When writing the Bolshevik party anthem, Alexandrov incorporated pieces from the song "Life Has Become Better" (Russian: Жить Ста́ло Лу́чше, tr. Zhit Stalo Luchshe), a musical comedy that he composed. This comedy was based on a slogan Stalin first used in 1935. Over 200 entries were submitted for the anthem contest, including some by famous Soviet composers Dmitri Shostakovich, Aram Khachaturian and Iona Tuskiya. Later, the rejected joint entry by Khachaturian and Shostakovich became Song of the Red Army, and Khachaturian went on to compose the Anthem of the Armenian SSR. There was also an entry from Boris Alexandrov, the son of Alexander. His rejected entry, "Long Live Our State" (Russian: Да здравствует наша держава, tr. Da zdravstvuyet nasha derzhava), became a popular patriotic song and was adopted as the anthem of Transnistria.During the 2000 debate on the anthem, Boris Gryzlov, the leader of the Unity faction in the Duma, noted that the music which Alexandrov wrote for the Soviet anthem was similar to Vasily Kalinnikov's 1892 overture, "Bylina".  Supporters of the Soviet anthem mentioned this in the various debates held in the Duma on the change of anthem, but there is no evidence that Alexandrov consciously used parts of...

answer the following question:

What is the first name of the person who praised the song for fulfilling what a national anthem should be? 

Joseph