Johann Jakob Dillenius (1687-1747) practised medicine in Grünberg, Hesse and served as town doctor in Giessen. He was also a botanist and the first president of the Botanical Society (London). Dillenius was elected FRS in 1724 and served as foreign secretary of the Royal Society in 1728-1747.
Reference:
G. S. Boulger, ‘Dillenius, Johann Jakob (1687–1747)’, rev. D. J. Mabberley, Oxford Dictionary of National Biography (Oxford University Press, 2004 http://www.oxforddnb.com/view /article/7648 [accessed 13 July 2015]).
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Occupation: Unknown
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