Friedrich Haag (crystallographer)
Friedrich Haag was a pioneering German crystallographer.
An article written by Haag in the :de:Zeitschrift für Kristallographie was used by M. C. Escher in his study of tessellation.
Friedrich Haag was a pioneering German crystallographer.
An article written by Haag in the :de:Zeitschrift für Kristallographie was used by M. C. Escher in his study of tessellation.