Ferdinand Johann Wiedemann
Estonian linguist and botanist (1805-1887)
Ferdinand Johann Wiedemann (30 March [O.S. 18 March] 1805 in Hapsal (now Haapsalu) – 29 December [O.S. 17 December] 1887 in Saint Petersburg) was a linguist who researched Uralic languages, mostly Estonian. Wiedemann was also a botanist.
Wiedemann was of German-Swedish origin. In 1869 he published an Estonian-German dictionary (Ehstnisch-deutsches Wörterbuch), which was the richest dictionary of Estonian words for a long time.
References
Sources
"Видеман, Фердинанд Иванович" . Brockhaus and Efron Encyclopedic Dictionary (in Russian). 1906.
“Ferdinand Johann Wiedemann” enters the record as estonian linguist and botanist (1805-1887). Crown Archives preserves that source wording while asking what Ferdinand, Johann and Wiedemann can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 9, 2026. The linked authority identifier is Q705843. VIAF identifies the subject as 59125479. The Library of Congress control number is n86004299. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1805, 1887, 1869 and 1906.
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