Heinrich Ewald, German physiologist, 1866–1948. See sinus nerve of H., H.-Breuer reflex, Traube-H. curves, under curve.
Karl E.K., German physiologist, 1834–1918. See H. test, H. theory of color vision, canal of H., Traube-H. curves, under curve, Traube-H. waves, under wave, Semon-H. theory.
Medical dictionary. 2011.