Leoš Janáček was a Czech composer and musicologist, born on July 3, 1854, in Hukvaldy, Moravia. He is best known for his operas, including Jenůfa, The Cunning Little Vixen, and Káťa Kabanová. Janáček's music is characterized by its unique rhythms and use of folk melodies, reflecting his deep connection to the Moravian culture. In addition to his operas, Janáček composed orchestral works, chamber music, and choral pieces. He was also a prominent music theorist, contributing to the understanding of Czech folk music. Janáček's innovative style has influenced many composers and continues to be celebrated in the world of classical music.