John David North, FBA (19 May 1934 – 31 October 2008) was an historian of science, whose speciality was the history of astronomy and cosmology, publishing strikingly original interpretations of Chaucer, Holbein and Richard of Wallingford as well as numerous works on archaeology, literature and art. He was appointed Librarian and Assistant Curator at the Museum of the History of Science, Oxford, 1968-77, and served as Professor of History of Philosophy and the Exact Sciences at the University of Groningen, Netherlands, 1977-1999.