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) to hear it, at a certain frequency. If the stars are in the right place, and your heart’s in the right place, you’ll hear it." On occasion, the Doctor uses other aliases, such as "John Smith". In the Fourth Doctor serial "The Armageddon Factor", the Doctor runs into a former classmate of his named Drax. Drax calls the Doctor Theta Sigma or "Thete" for short, an alias which is clarified as the Doctor's nickname at the Prydon Academy on Gallifrey in "The Happiness Patrol" and referred to again in the 2010 episode "The Pandorica Opens". "Doctor Who" spin-off media have