Observationes Medicae (Tulp) Observationes Medicae (Tulp) Observationes Medicae is a 1641 book by Nicolaes Tulp. Tulp is primarily famous today for his central role in the 1632 by Rembrandt of the Amsterdam Guild of Surgeons, which commemorates his appointment as praelector in 1628. "Observationes Medicae" is also the title commonly used by early Dutch doctors in the 16th and 17th centuries who wrote up their cases from private practise in Latin to share with contemporary colleagues. Though already well known at the time his book was written, Professor Tulp enjoyed international fame after publishing this book, and in 1652 a second edition was
The Doctor (Doctor Who) episode "The Name of the Doctor". With this vehicle, the Doctor explores the universe with usually human companions who serve as audience surrogate characters to ask questions which allow the Doctor to provide relevant exposition. "Doctor" is a self-selected alias. In later episodes of the revived programme, specifically under show runner Steven Moffat, the story arcs surrounding events in the Doctor's future implied serious consequences in the event of the Doctor's true name being spoken, the nature of these finally being revealed in "The Time of the Doctor". Spin-off media offer the explanation that the Doctor's true name is unpronounceable