(1802–29), Norwegian mathematician. He proved that equations of the fifth degree cannot be solved by conventional algebraic methods, and made advances in the fields of power series and elliptic functions.
Definition of Abel, Niels Henrik in US English:
Abel, Niels Henrik
proper nounˈäbəl
(1802–29), Norwegian mathematician. He developed the concept of elliptic functions, independently of Jacobi, and did work on integral equations and power series.