Nescio

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Jan Hendrik Frederik Grönloh (born 22 June 1882 in Amsterdam; died 25 July 1961 in Hilversum), known by his pen name of Nescio (Latin for "I don't know"), was a Dutch writer. Grönloh was a businessman by profession, but as Nescio he is mainly remembered for the three novellas De uitvreter (The Freeloader), Titaantjes (Little Titans), and Dichtertje (Little Poet). His reputation as an important Dutch writer was established only after his death.