The Anatomy Lesson of Dr. Nicolaes Tulp his forename (in its original form) as opposed to the monogramme "RHL" (Rembrandt Harmenszoon of Leiden), and is thus a sign of his growing artistic confidence. The event can be dated to 31 January 1632: the Amsterdam Guild of Surgeons, of which Tulp was official City Anatomist, permitted only one public dissection a year, and the body would have to be that of an executed criminal. Anatomy lessons were a social event in the 17th century, taking place in lecture rooms that were actual theatres, with students, colleagues and the general public being permitted to attend on payment of an
The Doctor (Doctor Who) of the Dead", confirmed to have been his name towards the end of "Forest of the Dead". The events of "The Time of the Doctor" make it clear that his people, the Time Lords, know his true name, despite referring to him by his chosen alias as "the Doctor", even in formal settings such as court. Although listed in the on-screen credits for nearly twenty years as "Doctor Who" or "Dr Who", the Doctor is seldom called by that name in the programme, except in a tongue-in-cheek manner. For example, in "The Gunfighters" the Doctor assumes the name of Doctor