Ewald

Ewald may refer to any of the following people and concepts:

• People
  • Either of the two saints named Ewald, martyrs in Old Saxony about 695
  • Carl Anton Ewald, a pioneering German gastroenterologist
  • Johann Ewald, a Danish general and veteran of the American Revolutionary War
  • Johannes Ewald, a Danish dramatist and poet
  • Heinrich Ewald, a German orientalist and theologian
  • Paul Peter Ewald, a pioneer of X-ray diffraction and crystallography
  • Paul W. Ewald, the evolutionary biologist specializing in the evolution of infectious disease
  • Victor Ewald, the Russian composer
  • Ewald Stadler (born 1961), Austrian politician

• Concepts
  • Ewald's sphere, a geometric construct used in crystallography
  • The Ewald summation, a method for computing the interaction energies of periodic systems