Jaroslav Jezek (September 25, 1906 - January 1, 1942) was a Czech composer, pianist and conductor, author of jazz, classical, incidental and film music.Ježek was born in the Prague quarter of Žižkov to the family of a tailor. He was almost blind from a young age. He studied composition at the Prague Conservatory as a pupil of Karel Boleslav Jirák (1924–1927), at the master school of composition with Josef Suk (1927–1930)