Arthur Cayley

Arthur Cayley (1821–1895) was an English mathematician who served as Sadleirian Professor of Pure Mathematics at Trinity College, Cambridge for 35 years. He is best known for founding the algebra of matrices, postulating the Cayley–Hamilton theorem, and defining the concept of an abstract group. He also made fundamental contributions to algebraic geometry, combinatorics, and non-Euclidean geometry, publishing nearly 1,000 mathematical papers over his career.