Kubelík, Jan, 1880-1940, Czech violinist. Kubelík studied with Otakar Ševčik at the Prague Conservatory. He made his debut in Vienna in 1898 and was thereafter internationally acclaimed for his great virtuosity and dramatic power. He first appeared in the United States in 1901. His son, Rafael Kubelík, 1914-96, b. Býchory (now in the Czech Republic), was conductor of the Chicago Symphony (1950-53) and later director of the Covent Garden Opera in London; he also composed the opera Veronika (1947), as well as symphonic and instrumental works.