Hartog Joseph Pos was born on 16 August 1884 in Paramaribo (Surinam) as son of Joseph Hendrik Pos and Jansje van West. He had a brother, Samuel Joseph, who was a dentist, just like he himself. Hartog Joseph Pos arrived from Paramaribo in Amsterdam as a student on 15 July 1903 and stayed in House Vas Nunez at Nieuwe Herengracht 87. On 24 November 1908 he has been officially unsubscribed to Surinam…