Nicolaes Tulp Nicolaes Tulp Nicolaes Tulp (9 October 1593 – 12 September 1674) was a Dutch surgeon and mayor of Amsterdam. Tulp was well known for his upstanding moral character and as the subject of Rembrandt's famous painting "The Anatomy Lesson of Dr Nicolaes Tulp". Born Claes Pieterszoon, he was the son of a prosperous merchant active in civic affairs in Amsterdam. From 1611 to 1614 he studied medicine in Leiden. When he returned to Amsterdam he became a respected doctor and in 1617 he married Aagfe Van der Voegh. An ambitious young man, he adopted the tulip as his heraldric emblem
The Doctor (Doctor Who) episode "The Name of the Doctor". With this vehicle, the Doctor explores the universe with usually human companions who serve as audience surrogate characters to ask questions which allow the Doctor to provide relevant exposition. "Doctor" is a self-selected alias. In later episodes of the revived programme, specifically under show runner Steven Moffat, the story arcs surrounding events in the Doctor's future implied serious consequences in the event of the Doctor's true name being spoken, the nature of these finally being revealed in "The Time of the Doctor". Spin-off media offer the explanation that the Doctor's true name is unpronounceable