Paolo Ruffini, Italian mathematician and philosopher (died 1822)

Paolo Ruffini

Italian mathematician and philosopher (1765–1822)

Paolo Ruffini was an Italian mathematician and philosopher. Remembered chiefly for what is now known as the Abel–Ruffini theorem, Ruffini also made a major contribution to the theory of equations, developing the so-called theory of substitutions, the forerunner of modern group…