The Anatomy Lesson of Dr. Nicolaes Tulp entrance fee. The spectators are appropriately dressed for this social occasion. It is thought that the uppermost (not holding the paper) and farthest left figures were added to the picture later. Every five to ten years, the Surgeon's Guild would commission a portrait by a leading portraitist of the period; Rembrandt was commissioned for this task when he was 26 years old, and newly arrived in Amsterdam. It was his first major commission in Amsterdam. Each of the men included in the portrait would have paid a certain amount of money to be included in the work, and the more
Nicolaes Tulp but also because of the fantastic stories that he relates. An example; Jan de Doot, a blacksmith in Amsterdam, was in such pain from a bladder stone, that he sharpened a knife and removed it himself, because he refused to be the victim of the 'stone cutters'. These were the barber-surgeons who performed such procedures but had a high death rate. To everyone's surprise, Jan de Doot survived this operation which was said to produce a stone the size of an egg. A painting illustrating this story is in the collection of the Anatomy Museum of Leiden. Tulp minutely described