James Joseph Sylvester, English mathematician and academic (born 1814)

James Joseph Sylvester was an English mathematician. He made fundamental contributions to matrix theory, invariant theory, number theory, partition theory, and combinatorics. He played a leadership role in American mathematics in the later half of the 19th century as a professor at the Johns Hopkins University and as founder of the American Journal of Mathematics. At his death, he was a professor at Oxford University.

March 15 is the 74th day of the year in the Gregorian calendar; 291 days remain until the end of the year.