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
The Doctor (Doctor Who) 2003, Tom Baker mentioned that the Doctor is called so because he is "a doctor of time and relative dimension in space". Apart from being called a doctor of the TARDIS, the Doctor has been referred to as a "doctor of time travel." The revived programme establishes that Time Lords invent their own names. In "The Sound of Drums" (2007), the Tenth Doctor remarks to the Master that they both chose their names, with the Master calling him sanctimonious for identifying himself as "the man who makes people better." "The Name of the Doctor" and "The Day of the Doctor"