Friedrich Haag

Friedrich Haag (20 August 1856 – 8 December 1941) was a pioneering German crystallographer.[1][2]

An article written by Haag in the de:Zeitschrift für Kristallographie (a German crystallography journal) was used by M. C. Escher in his study of tessellation.[3][4]

References

  1. ↑ H. Wondratschek Topics, The Rigaku Journal, Volume 4, Issue 1/2, 1987, p. 33
  2. ↑ Doris Schattschneider Tiling the plane with congruent pentagons, Math. Mag., 1978, Volume 51, pp. 29–44
  3. ↑ Haag Die regelmäßigen Planteilungen und Punktsysteme, Zeitschrift für Kristallographie, Volume 58, 1923, pp. 478–489
  4. ↑ Doris Schattschneider The Mathematical Side of M. C. Escher, Notices AMS, June/July 2010, p. 707

External links



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