John M. Bremner

John McColl "Jack" Bremner (18 ga watan Janairu, 1922 - 25 ga Yuli, 2007) masanin kimiyya ne kuma farfesa a fannin noma a Jami'ar Jihar Iowa . Wani gwani ne a kan sinadarin sinadarai na ƙasa, ya kasance ɗan ƙungiyar American Association for the Advancement of Science kuma memba ne na Kwalejin Kimiyya ta Ƙasa.

 Tarihin rayuwa 
Bremner ya girma a Dumbarton, Scotland kuma ya halarci Dumbartón Academy .  Dan tsohon sojan yakin duniya na, Bremner yana da 'yan'uwa maza huɗu da wata 'yar'uwa.

Bayan ya sami digiri na farko a Jami'ar Glasgow, ya kammala digirin-digirgir biyu daga Jami'ar London - daya a cikin ilmin sunadarai ɗayan kuma a cikin kimiyyar ƙasa. Bremner ya shafe shekaru da yawa a Rothamsted Experimental Station, sannan ya zama memba a Jami'ar Jihar Iowa daga shekarata 1959 zuwa 1992. An ba shi suna Charles F. Curtiss Distinguished Farfesa na Aikin Gona a shekara ta 1975. Ya gudanar da bincike game da nitrogen da sulfur content na ƙasa.

Bremner ya sadu da matarsa Mary a Rothamsted kuma suna da 'ya'ya biyu. An kira shi ɗan ƙungiyar American Association for the Advancement of Science a 1972 kuma an zabe shi zuwa Kwalejin Kimiyya ta Kasa a 1984. Bremner ya kuma sami digirin digirin girmamawa daga Jami'ar Heriot-Watt a shekarar 1970. 

Ya yi ritaya daga Jihar Iowa a shekarar 1992. Ya mutu a shekara ta 2007 a gidansa a Palm Desert, California .  Matarsa da 'ya'ya biyu sun mutu.

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Rukuni:Matattun 2007