Nescio

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