Two portraits of Edmond Halley
Review articleOpen access
2004/06/01 Review article DOI: 10.1016/j.endeavour.2004.02.002
AbstractEdmond Halley is most famous for vindicating Isaac Newton's theories by predicting the return of the comet that now bears his name. As well as being an accomplished and ambitious astronomer, Halley also initiated important theories about the earth's magnetic patterns and suggested many navigational reforms. Halley's portraits reveal that he was proud not only of his innovative map showing how an eclipse would be observed over England, but also – more surprisingly – of his theory that intelligent life exists inside subterranean magnetic cavities.
Request full text