Henri-Géry Hers (23 July 1923 – 14 December 2008) was a Belgian physiologist and biochemist, and a professor at the Universite Catholique de Louvain.
He was notable for his work on carbohydrate metabolism and genetic disorders associated with it.
An example is Hers' disease - Glycogen storage disease type VI - caused by deficiency of hepatic phosphorylase associated with an enlarged liver and mild hypoglycaemia.
In 1988 he was awarded the Wolf Prize in Medicine.
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