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Sethus Calvisius

Sethus Calvisius
Sethus Calvisius, German astronomer, composer, and theorist (d. 1615)

Sethus Calvisius or Setho Calvisio, originally Seth Kalwitz, was a German music theorist, composer, chronologer, astronomer, and teacher of the late Renaissance.

21 February 1556

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