William Clifford
was born 163 years ago
4th May 1845

Clifford studied non-euclidean geometry arguing that energy and matter are simply different types of curvature of space. He introduced what is now called a Clifford algebra which generalises Grassmann's exterior algebra.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Clifford.html