Alexander Dick

The major scientific achievements of the candidate have arisen from his studies of copper poisoning in animals. These have resulted in the discovery of (i) the conditions determining the incidence and control of the field manifestations of the disease, (ii) the metabolic interrelations of copper and molybdenum in animals and their dependence upon inorganic sulphate, and (iii) the profound influence of sulphate upon molybdenum metabolism. New meaning has been given to the whole concept of mineral interrelations in animals and of their significance to deficiency and toxicity states. Related studies of the hepatoxic action of the pyrrolizidine alkaloids have greatly extended knowledge of the relationship between their structure and activity and led to the development of a hypothesis concerning their mode of action.

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