Warington, Katherine (1897–1993)
Warington, Katherine (1897–1993)
English botanist. Born Sept 5, 1897, in Harpenden, Hertfordshire, England; died July 3, 1993; Royal Holloway College, University of London, BS; attended University of Lund, Sweden.
The 1st to demonstrate that boron (boric acid) is essential for healthy broad bean development, worked with Dr. Winifred Brenchley at the Rothamsted Experimental Station in Harpenden (1921–57); studied trace elements (e.g., manganese and molybdenum); with Brenchley, investigated germination time of weed species.
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Bog , bog / bäg; bôg/ • n. wet muddy ground too soft to support a heavy body: the island is a wilderness of bog a peat bog fig. a bog of legal complication… essential amino acid , essential amino acid An amino acid that an organism is unable to synthesize in sufficient quantities. It must therefore be present in the diet. In hu… Arachidonic Acid , arachidonic acid A polyunsaturated fatty acid, CH3(CH2)3(CH2CH:CH)4(CH2)3COOH, that is essential for growth in mammals (see eicosanoid). It can be sy… Cichlid , Cichlidae (cichlids; subclass Actinopterygii, order Perciformes) A very large family of freshwater fish, many of which are rather deep-bodied. They h… Threonine , threonine An essential amino acid. It was the last of the protein amino acids to be discovered, in 1935, in studies of nitrogen balance on subjects f… Thomas Graham , Graham, Thomas
Graham, Thomas
chemistry, physics.
The son of a prosperous manufacturer, Graham entered the University of Glasgow in 1819, at the age…
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Warington, Katherine (1897–1993)
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Warington, Katherine (1897–1993)