Nicolaes Tulp depicted in the painting can be dated to 16 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. The criminal is identified as the robber Aris Kindt. Rembrandt would later make a painting of Tulp's successor in 1656 "The Anatomy Lesson of Dr Jan Deijman". Since the painting of Tulp's predecessor in 1619, "The Osteology Lesson of Dr Sebastiaen Egbertsz" was a group portrait around a skeleton, it is clear that the subject of a dead
The Doctor (Doctor Who) the actors who played the character were deceased. Since the programme's revival, there have been three multi-Doctor stories, the "Children in Need" special "Time Crash", the 50th anniversary special, "The Day of the Doctor", and the 2017 Christmas special "Twice Upon A Time". Before that, the only references to past incarnations (from 1963 to 1996) have been in the aforementioned episode "School Reunion" (in which the Doctor acknowledges having regenerated "half a dozen times" since last seeing Sarah Jane) and in drawings that the Doctor (who has temporarily become human to hide from the Family Of Blood) makes based on