Isabel Ellie Knaggs

Isabel Ellie Knaggs (2 ga Agusta 1893 - 29 Nuwamba 1980) 'yar Colony of Natal wacce aka haifa akristallographer. Ta yi karatu kuma ta yi aiki a Burtaniya. Ta yi aiki tare da Kathleen Lonsdale akan tsarin crystal na benzil.

 Rayuwar farko da ilimi 
An haifi Knaggs a Durban. Wataƙila ta halarci makarantar kindergarten ta Froebel a Hampstead. Ta halarci Makarantar Collegiate ta Arewacin London sannan ta halarci Kwalejin Bedford, London.  A cikin shekarar 1913 Knaggs ta shiga Kwalejin Girton a Jami'ar Cambridge don nazarin ilmin sunadarai.  Ta yi karatu tare da William Paparoma akan ƙaddarar sifofin crystal.  Arthur Hutchinson ya naɗa ta a matsayin mataimakiyar bincike.  An zaɓe ta a matsayin memba na Geological Society of London a shekarar 1921.   Ta kammala digirinta na PhD, Dangantakar tsarin The Relation between the Crystal Structure and Constitution of Carbon Compounds, with Special Reference to Simple Substitution Products of Methane, a cikin shekarar 1923 a Kwalejin Imperial London.   A lokacin da take yin PhD Knaggs ta kasance a matsayin mai nunawa a fannin ilimin ƙasa a Kwalejin Bedford, London. 

 Bincike 
A cikin shekarar 1925 an ba ta kyautar haɗin gwiwar Hertha Ayrton na shekaru biyu don shiga Cibiyar Sarauta.  Knaggs tayi aiki tare da William Henry Bragg da Kathleen Lonsdale.   Ta kalli ɗimbin hasashe na x-ray daga lu'ulu'u ɗaya.  Ta sami matsayi na dindindin a cikin shekarar 1927.  Ta ƙaddara tsarin crystal na cyanuric triazide.   

Knaggs tare da Tebus na Cubic Crystal Structures tare da Berta Karlik da Constance Elam a shekarar 1932.  Ta yi aiki a matsayin mai ba da shawara ga Burroughs Wellcome (yanzu GlaxoSmithKline).  A cikin ritayarta, an zaɓi Knaggs a matsayin masaniya a fannin kimiyya mai ziyara zuwa Cibiyar Sarauta. 

 Rayuwa ta sirri 
A shekarar 1979, Knaggs ta koma Ostiraliya. A ranar 29 ga watan Nuwamba 1980, Knaggs ta mutu a Sydney, Ostiraliya. 

 Manazarta 

Rukuni:Mutuwan 1980