The Anatomy Lesson of Dr. Deijman The Anatomy Lesson of Dr. Deijman The Anatomy Lesson of Dr. Deijman (alternative spelling Deyman) is a 1656, fragmentary painting by Rembrandt, now in Amsterdam Museum. It is a group portrait showing a brain dissection by Dr. Jan Deijman (161966). Much of the canvas was destroyed in a fire in 1723 and the painting was subsequently recut to its present dimensions, though a preparatory sketch shows the full group. The painting shows Dr. Deijman performing a brain dissection on the cadaver of an executed criminal, the Flemish tailor Joris "Black Jack" Fonteijn (1633/3456). Dr. Deijman's assistant, the surgeon Gijsbert Calkoen
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