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
Isabella Henriette van Eeghen to follow in the footsteps of her grandfather, also called Christiaan Pieter van Eeghen, who in his free time set up the Vondelpark and was responsible for various improvements to the Van der Hoop museum in 1854, the forerunner of the Rijksmuseum. It was the elder Van Eeghen who paid to have the paintings in the Amsterdam surgeons' guild restored in 1865, among them of course the "Anatomy Lesson of Dr. Nicolaes Tulp". Isa attended the local girls' school MMS and then continued at the Gymnasium, eventually earning her degree in history from the University of Amsterdam. She earned her