John Allan Broun John Allan Broun, FRS (21 September 1817, Dumfries, Scotland - 22 November 1879), was a Scottish magnetician and meteorologist who carried out his studies on magnetism in India. One of the fundamental discoveries he made was that the Earth loses or gains magnetic intensity not locally, but as a whole. He also found that solar activity causes magnetic disturbances. (more) http://en.wikipedia.org/wiki/John_Allan_Broun --- Harshawardhan_Bosham Nimkhedkar