A brilliant theoretical physicist whose immense intellect and
work rank him on a par with Newton and Einstein. His Treatise
on Electricity and Magnetism examined the
nature of electromagnetism and laid the way for the work of
Einstein and Planck. Other diverse research examined the nature
of Saturns rings, whose composition he proved mathematically,
to the perception of colour and a demonstration of colour photography,
using as his subject a piece of tartan ribbon.