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) Fifth Doctor in "Castrovalva" (1982), the character was credited as "The Doctor", which he had been referred to in-universe since the tenure of William Hartnell. This credit remained from season 19 to season 26. In the television movie, the trend is continued, with Paul McGann's debuting Eighth Doctor credited as "The Doctor" and Sylvester McCoy's out-going Seventh Doctor as "The Old Doctor". The 2005 resurrection of the programme credited Christopher Eccleston – playing the Ninth Doctor – as "Doctor Who" again in series 1. "The Parting of the Ways", featuring the Ninth Doctor's regeneration into the Tenth Doctor (David Tennant)