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) Deoch an..?", written by Colin Baker, in "Doctor Who Magazine Winter Special 1991": "UNIT Exposed". The Seventh Doctor celebrated his 1,000th birthday in "Set Piece" by Kate Orman, and the Eighth Doctor declared his age to be 1,012 in "Vampire Science" by Orman and Jonathan Blum. The Eighth Doctor spent nearly a century on Earth during a story arc spread over several novels, and around 100 years asleep in "The Sleep of Reason" by Martin Day. In the Big Finish Productions audio play "Orbis", the Eighth Doctor says that he has spent 600 years living on the planet Orbis since