John Dee

Timeline

1. 1542–1548Cambridge · EnglandReceived humanist and mathematical training at the University of Cambridge, renowned for his calculating ability, and began lecturing on Euclidean geometry after graduating.
2. 1548–1551Louvain · NetherlandsTraveled to the Netherlands and France for study, encountering the latest continental mathematics and cartography, accumulating knowledge for later work on navigation and calendar reform.
3. 1558–1580Mortlake · EnglandAfter Elizabeth I's accession, became the court's mathematical and astrological adviser, establishing a richly stocked library and laboratory at his Mortlake residence, and took part in calendar reform and the planning of voyages of exploration.
4. 1582–1589Mortlake · EnglandConducted 'angelic communication' experiments with Edward Kelley, recording messages in the so-called Enochian language, while continuing to provide astrological and political counsel to the court.
5. 1590–1608Mortlake · EnglandFell into hardship through declining court favor and property disputes; his library's books were dispersed, and he spent a impoverished final years at Mortlake until his death.