Nicolaes Tulp attended by prominent learned men, who exchanged ideas about anatomy and the chemical processes of the human body. As befits a new praelector, the Guild commissioned a new group portrait of the prominent councilmen and guildmasters. Rembrandt, himself a young man of 26 and new to the city, won this commission and made a famous painting of him: "The Anatomy Lesson of Dr Nicolaes Tulp". This painting, which now hangs in the Mauritshuis museum of the Hague, depicts Tulp dissecting such a criminal's forearm. There has been much speculation as to why the dissection began on the forearm. Rembrandt's event
The Doctor (Doctor Who) and the junkyard in which they find him bears the sign "I.M. Foreman". When addressed by Ian with this name, the Doctor responds, "Eh? Doctor who? What's he talking about?" Later, when Ian realises that "Foreman" is not the Doctor's name, Ian asks Barbara, "Who is he? Doctor who?" In an ultimately unused idea from documents written at the programme's inception, Barbara and Ian would have subsequently referred to the Doctor as "Doctor Who", given their not knowing his name. Throughout both the classic and revived programme, a running joke is that when the Doctor is introduced as just the