He forwent the idea of private medical practice and wrote a paper on the thyroid gland of the parrot. Unsettled, he continued to tour Germany and Franc, attending the lectures of other contemporary luminaries Georges Cuvier, Étienne Geoffroy Saint-Hilaire and André Marie Constant Duméril. In 1825, Berthold decided to practise medicine in Berlin and began experimenting on the effects of coal gas and mercury on the body. He remained at Göttingen for a year before doing a tour of other universities and clinics, which included meeting Johann Lukas Schönlein. His thesis was under the direction of Johann Friedrich Blumenbach (1752–1840) and he qualified on 10 September 1823. He followed his older brother's example to study medicine at University of Göttingen in August 1819. He went to the local gymnasium (equivalent to a grammar school) where he studied the classics but was most interested in natural history. His father was a carpenter and his family was not wealthy. He published works on herpetology, ornithology, entomology and chemistry.īerthold was the second-youngest of six children. He is best known in modern science for his pioneering experiments in the field of endocrinology. Physiology, Zoology, Medicine ( Endocrinology)Īrnold Adolph Berthold (also Arnold Adolf Berthold) (26 February 1803, in Soest – 3 January 1861, in Göttingen) was a German scientist, most notably a physiologist and zoologist.

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