Legal name: Исаак Осипович Дунаевский
Isaak Osipovich Dunayevsky (Russian: Исаак Осипович Дунаевский; also transliterated as Dunaevski or Dunaevsky; 30 January [O.S. 18 January] 1900 – 25 July 1955) was a Soviet film composer and conductor of the 1930s and 1940s, who achieved huge success in music for operetta and film comedies, frequently working with the film director Grigori Aleksandrov. He is considered one of the greatest Soviet composers of all time. Many of his songs are very well known and held in high regard in Russia and the former Soviet Union.