Carlo Minnaja
1940
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photo credits: Wikimedia Commons
Carlo Minnaja (born 19 March 1940) is a retired professor of Mathematics, a native Esperanto speaker, and Esperanto translator, author and researcher. He authored many books about Esperanto, in Esperanto and Italian, including a vocabulary of Esperanto, and is a member of the Akademio de Esperanto. Source: Wikipedia (en)
Human - wd:Q55990