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]
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]