A wealth of data has survived about the participants in the astronomical reform. The concern of this chapter is what that information reveals about basic patterns. I will clarify the intellectual, social, and political relations of those who directed the project, and work out an idea of its human scale. I will outline for each of the main participants how he became involved in the project, what responsibility he accepted, and what he accomplished. It will be possible at the end of this chapter to clarify the common threads in their involvement, what brought them together.


Astronomical Report Winter Solstice Yuan Dynasty Official History Main Participant 


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© Springer Science+Business Media LLC 2009

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