ウェブAstronomer, historian, physicist, mathematician, choreographer, music theorist. Zhu Zaiyu dance steps. Zhu Zaiyu flag dance. Zhu Zaiyu ( Chinese: 朱載堉; 1536 – 19 May 1611) was a Chinese scholar, mathematician and music theorist. [1] He was a prince of the Chinese Ming dynasty. In 1584, Zhu innovatively described the equal temperament via ...