Rembrandt "Danaë", 1636), seeking to emulate the baroque style of Rubens. With the occasional help of assistants in Uylenburgh's workshop, he painted numerous portrait commissions both small ("Jacob de Gheyn III") and large ("Portrait of the Shipbuilder Jan Rijcksen and his Wife", 1633, "Anatomy Lesson of Dr. Nicolaes Tulp", 1632). By the late 1630s Rembrandt had produced a few paintings and many etchings of landscapes. Often these landscapes highlighted natural drama, featuring uprooted trees and ominous skies ("Cottages before a Stormy Sky", c. 1641; "The Three Trees", 1643). From 1640 his work became less exuberant and more sober in tone, possibly
Observationes Medicae (Tulp) the same, the "Indisch Satyr" is also the last plate in the later version. There is no Book four in the original version, but the later version calls it "Register der Hoofdstukken van het vierde boek". The sixty chapters and accompanying plates are some of the most popular in Dutch medical literature, however, including the Jan de Doot (or Jan Lethaus, a bastardized version of the Latin for lethal - lethalis), ending with a chapter on Tea. Observationes Medicae (Tulp) Observationes Medicae is a 1641 book by Nicolaes Tulp. Tulp is primarily famous today for his central role in the