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By David Gubbins. He did his PhD on geomagnetic dynamos in Cambridge, supervised by Sir Edward Bullard (qv.). and has worked in the USA and in Cambridge before moving to Leeds in 1989. Author David Gubbins.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.