About Jaan Hargel
Jaan (Joann) Hargel (30 November 1912 – 30 January 1966) was an Estonian conductor, music teacher, oboe and flute player. Jaan Hargel's life as a musician began at the orchestra of Tallinn Secondary School of Science and continued at other orchestras in Tallinn where he played the piccolo, the flute, the oboe or the English horn. In 1944, Jaan Hargel was invited to play in the orchestra of the Vanemuine Theatre where, in the difficult post-war years, he could soon try his hand at conducting. His debut as a conductor was in 1944 with August Kitzberg.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.