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
Dirck Tulp engagement with Johan de Witt, one of the most influential Dutch politicians of that time, and married Jan Six instead. Dirck and Anna (also painted by the German, Jurriaen Ovens) moved to Kloveniersburgwal 47 in 1669. Dirck's wife died in 1672 and Tulp left for England, visiting his wife's cousin, the diplomat Coenraad van Beuningen. Despite his many contacts, Dirck Tulp never became mayor. Tulp was named by mayor Gillis Valckenier "an ignorant vain man", after his two year stay out of the country, during which he sent back no letters. In 1675 Tulp was to be dismissed, but he