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
edit- ^ "H. Wondratschek Topics, The Rigaku Journal, Volume 4, Issue 1/2, 1987, p. 33" (PDF). Archived from the original (PDF) on 2016-03-03. Retrieved 2015-11-05.
- ^ Doris Schattschneider Tiling the plane with congruent pentagons, Math. Mag., 1978, Volume 51, pp. 29–44[permanent dead link ]
- ^ Haag Die regelmäßigen Planteilungen und Punktsysteme, Zeitschrift für Kristallographie, Volume 58, 1923, pp. 478–489[permanent dead link ]
- ^ Doris Schattschneider The Mathematical Side of M. C. Escher, Notices AMS, June/July 2010, p. 707
External links
edit- de:Friedrich Haag (Kristallograph) (on German Wikipedia)