Calvisius, Sethus [Kalwitz, Seth]
- Adam Adrio
- and Clytus Gottwald
(b Gorsleben, nr Sachsenburg, Thuringia, Feb 21, 1556; d Leipzig, Nov 24, 1615). German music theorist, composer, teacher, chronologist and astronomer. He was one of the most influential German theorists of his time and prominent in the musical and intellectual life of Leipzig....