Annie Barbara Clark Callow (born 1894) English nutritionist, and her husband Ernest Harold Callow. Ernest was an expert on low temperature research, food storage and carcass composition, at the University of Cambridge, UK. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Smithsonian Institution |
Bildgröße: | 3533 px × 2473 px |
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