Known for: Algebraic geometry, Group theory, Cayley–Hamilton theorem, Cayley–Dickson construction

Arthur CayleyFRS (/ˈkeɪli/; 16 August 1821 – 26 January 1895) was a prolific British mathematician who worked mostly on algebra. He helped found the modern British school of pure mathematics.

Awards: Smith’s Prize, De Morgan Medal, Royal Medal, Copley Medal