Portrait painting benefitted greatly from such commissions and from the general appreciation of art by bourgeois clients, who supported portraiture as well as still-life and landscapes painting. In addition, the first significant art and dealer markets flourished in Holland at that time. With plenty of demand, Rembrandt was able to experiment with unconventional composition and technique, such as chiaroscuro. He demonstrated these innovations, pioneered by Italian masters such as Caravaggio, most notably in his famous "Night Watch" (1642). "The Anatomy Lesson of Dr. Tulp" (1632) is another fine example of Rembrandt's mastery of the group painting, in which he bathes the corpse
The Anatomy Lesson of Dr. Nicolaes Tulp scientist such as Dr. Tulp would not be involved in menial and bloody work like dissection, and such tasks would be left to others. It is for this reason that the picture shows no cutting instruments. Instead we see in the lower right corner an enormous open textbook on anatomy, possibly the 1543 "De humani corporis fabrica" ("Fabric of the Human Body") by Andreas Vesalius. The corpse is that of the criminal Aris Kindt (alias of Adriaan Adriaanszoon), who was convicted for armed robbery and sentenced to death by hanging. He was executed earlier on the same day of the