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English electrical engineer who adapted complex numbers to the study of electrical circuits. He developed techniquesfor applyingLaplace transforms to the solution of differential equations. In addition,he reformulatedMaxwell's field equations in terms of electric and magnetic forces and energy flux.His formulation, however, was not as clear asHeinrich Hertz's. Two months afterKennelly, Heaviside suggested than the reasonMarconi was able to transmit trans-Atlantic radio waves wasthat the signal bounced off an electrified layer in the upper atmosphere. Additional biographies:MacTutor (St. Andrews)


Heaviside, O.Electrical Papers, 2 vols. New York: Chelsea, 1970.
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