||This article needs additional citations for verification. (February 2013)
Lu Gwei-Djen (Chinese: 魯桂珍; pinyin: Lǔ Guìzhēn; Wade–Giles: Lu Kuichen) (July 22, 1904－Nov 28,1991) was an expert on the history of science and technology in China and a doctor of nutriology. She was an important researcher and co-author of the project Science and Civilisation in China led by Joseph Needham.
Among the work on which she is credited as co-author are Celestial Lancets: A History and Rationale of Acupuncture and Moxa (Cambridge; New York: Cambridge University Press, 1980); Science and Civilisation in China Volume 4 Physics and Physical Technology Part III: Civil Engineering and Nautics (Cambridge: University Press, 1971 ISBN 0521070600) and Vol. 5, Chemistry and Chemical Technology: Pt. V: Spagyrical discovery and invention : physiological alchemy (Cambridge: Cambridge University Press, 1983).
 Personal life
She was well known as Needham's long-time assistant, co-author, Chinese language teacher and his second wife. Both Lu Gwei-Djen and Needham's first wife, Dorothy, were founding fellows of Lucy Cavendish College, a college in the University of Cambridge founded in 1965 where women over age 21 can study. For many years the three cohabited.
- Winchester, Simon (2008). The Man Who Loved China: The Fantastic Story of the Eccentric Scientist Who Unlocked the Mysteries of the Middle Kingdom. New York: HarperCollins. ISBN 978-0-06-088459-8. Also published as Gun, Book and Compass.
- Wang, Guozhong (1999). 魯桂珍與李約瑟 Lu Guizhen yu Li Yuese (Lu Guizhen and Joseph Needham). Guiyang: Guizhou People's Press. pp. 1–29, 231–236. ISBN 7-221-04546-1.