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 and changed his name to Nicolaes (a more proper version of the name "Claes") Tulp. He began working in local politics as city treasurer, and in 1622, he became magistrate in Amsterdam. The career of Dr Tulp matched the success of Amsterdam. As the population of Amsterdam grew from 30,000 in 1580 to 210,000 in 1650, Dr Tulp's career as a doctor and politician made him a man of influence. He drove a small carriage to visit all the patients. Thanks to his connections on the city council, in 1628 Tulp was appointed "Praelector Anatomiae" at the Amsterdam Guild of