Daniel Patrick MORGAN is a historian of astronomy in ancient China. Graduated from the Department of East Asian Languages and Civilizations of the University of Chicago in 2013, he is currently a researcher at the Centre national de la recherche scientifique based at the Centre de recherche sur les civilisations de l’Asie oriental in Paris. Daniel is an associate editor at the journal East Asian Science, Technology, and Medicine, and an English-language editor for Études chinoises. His recent works include Astral Sciences in Early Imperial China: Observation, Sagehood and the Individual (Cambridge UP, 2017) and Monographs in Tang official historiography perspectives from the technical treatises of the History of Sui (Sui shu), edited with Damien Chaussende (Cham: Springer, 2019).
TANG Quan is also a history of astronomy in China. Graduated from the Mathematics Department of Northwest Normal University in 1996, he is a professor at the Institute for Advanced Study in History of Science at Northwest University, Xi’an” to “TANG Quan is also a historian of astronomy in ancient China. Graduated from the Mathematics Department of Northwest University in 2006, he is a professor at the Institute for Advanced Study in History of Sciences at Northwest University, Xi’an.