Jan Zach, Czech violinist, organist, and composer (d. 1773)
Jan Zach, called in German Johann Zach (baptized 26 November 1713 – 24 May 1773) was a Czech composer, violinist and organist. Although he was a gifted and versatile composer capable of writing both in Baroque and Classical idioms, his eccentric personality led to numerous conflicts and lack of steady employment from about 1756 onwards.