William Kingdon Clifford
William Kingdon Clifford (4 May 18453 March 1879) was a British
mathematician and
philosopher. Building on the work of
Hermann Grassmann, he introduced what is now termed
geometric algebra, a special case of the
Clifford algebra named in his honour. The operations of geometric algebra have the effect of mirroring, rotating, translating, and mapping the geometric objects that are being modelled to new positions. Clifford algebras in general and geometric algebra in particular have been of ever increasing importance to
mathematical physics,
geometry, and
computing. Clifford was the first to suggest that
gravitation might be a manifestation of an underlying geometry. In his philosophical writings he coined the expression ''mind-stuff''.
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