Zhu Zaiyu, Prince of Zheng
Zhu Zaiyu (Chinese: 朱載堉) (1536 - 19 May 1611) was a prince of the Ming dynasty of China. In 1584, Prince Zhu innovatively described the equal temperament via accurate mathematical calculation.Zhu ...
Zhu Zaiyu, Prince of Zheng - Wikipedia
Zhu Quan
Zhu Quan (Chinese: 朱權, 朱权, Zhū Quán; 1378 – 1448), Prince of Ning ( 寧王, 宁王, Nìngwáng) was the 17th son of Ming Hongwu Emperor. During his life, he served as a military commander, feudal lord...
Zhu Quan - Wikipedia