Ezekiel Weintraub,Russian-US chemist. In 1901 Weintraub joined Willis Whitney's research lab at General Electric,working on mercury vapour lamps. In 1909 he used hydrogen to reduce boron halides to produce 99 per cent pure boron | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CHEMICAL HERITAGE FOUNDATION / Williams Haynes Portrait Collection, Chemists’ Club Archives |
Taille de l’image : | 3560 px × 4958 px |
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