James Joseph Sylvester
died 120 years ago
15th March 1897

James Joseph Sylvester did important work on matrix theory. In 1851 Sylvester discovered the discriminant of a cubic equation and first used the name 'discriminant' for equations of higher order.

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