Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Niggli akaberekerwa muZofingen uye akadzidza paSwiss Federal Institute of Technology (ETH) muZurich uye University of Zurich, kwaakawana dhigirii. Bhuku rake ra1919, Geometrische Kristallographie des Diskontinuums, rakaita basa rinokosha mukunatsiridza dzidziso yemapoka enzvimbo. Mubhuku rino, Niggli akaratidza kuti kunyange zvazvo mamiriro ekudzokorora kweX-ray asingagoni nguva dzose kusarudza boka renzvimbo iyo kristaro inobatanidzwa, inoratidza nhamba shomanana yezvikwata zvingangodaro zvingangodaro. Niggli akashandisa nzira dzemaumbirwo kuti afungidzire chimiro chemukati uye, muna 1928 Kristallographische und Strukturtheoretische Grundbegriffe yake, akatora zvainyanya kuita zvinopesana, basa rekugadzira kubatana pakati penzvimbo dzemaumbirwo uye chimiro chekunze chekristaro. Donzo guru roupenyu hwake rakanga riri rokubatanidza munda wose wesayenzi dzeNyika.  Mubvunzo: Niggli akawana kupi dhigirii rake rokupedza kudzidza?
Swiss Federal Institute of Technology (ETH) muZurich uye University of Zurich