Some of these have explored and offered accounts of Christie's disappearance in 1926, including the 1979 film Agatha ( with Vanessa Redgrave, where she sneaks away to plan revenge against her husband ) and the Doctor Who episode " The Unicorn and the Wasp " ( with Fenella Woolgar, her disappearance being the result of her suffering a temporary breakdown due to a brief psychic link being formed between her and an alien ).

* The tapes for the revival of BBC show Doctor Who were labeled with the anagram Torchwood, which later went on to be used as the name for a spin-off show.

* The Ark ( Doctor Who ), a 1966 Doctor Who serial

The 2012 Big Finish Productions Doctor Who audio play The Wrath of the Iceni starring Tom Baker takes place during Boudica's uprising against the Romans.

In September 2010, MIT students attempted to put a TARDIS, the time machine from the BBC's Doctor Who, onto a roof.

The Fifth incarnation of Doctor Who, Peter Davison, was noted for wearing a stalk of celery on his lapel, claiming it at one point to be an excellent restorative, though the human olfactory sense was comparatively weak.

" He, too, has become a noted writer of his own high-profile television drama programmes, including Queer as Folk and the 2005 revival of Doctor Who.

In 1966, Kit Pedler, a medical scientist, created the Cybermen for the TV program Doctor Who, based on his concerns about science changing and threatening humanity.

* The Daleks, Cybermen and Toclafane from Doctor Who.

* " Conspiracy ", third episode of the 1965 Doctor Who serial The Romans

* The episode " The Stones of Blood ", of the 16th season of Doctor Who, the Fourth Doctor encounters the Ogri, a silicon-based life form, and in the same sub-plot, the Megara, who are made entirely out of an unknown substance, possibly energy, and they uphold the word of the law, and execute all who break the law with a beam of energy.

# REDIRECT Doctor Who

* Deimos ( Doctor Who audio ), an audio drama

Davros is a character from the long-running British science fiction television series Doctor Who.

Cast in the role of Davros was Michael Wisher, who had previously appeared in several different roles on Doctor Who and had provided Dalek voices in the serials Frontier in Space, Planet of the Daleks and Death to the Daleks.

During Doctor Who Confidential Russell T Davies explained how he believes Davros to have survived the Crucible's destruction in some way, not specifically showing his death for this reason.

Doctor Who Magazine printed several comics stories involving Davros.

Speaking with the Emperor, the Doctor addresses him as Davros, but the Emperor responds " Who is Davros?

Paul Cornell's dark vignette in the Doctor Who Magazine Brief Encounters series, " An Incident Concerning the Bombardment of the Phobos Colony " occurs sometime between " Resurrection of the Daleks " and his assumption of the role of Emperor.

In 2008, Julian Bleach appeared live as Davros at the Doctor Who Prom, announcing that the Royal Albert Hall would become his new palace, and the audience his " obedient slaves ".

* Enlightenment ( Doctor Who ), a 1983 Doctor Who serial

The role of Rost in the Doctor Who serial " Attack of the Cybermen " was meant for her but she allegedly had a disagreement with the production team over her fee and was replaced by Sarah Greene.

In the Doctor Who serial The Green Death ( 1973 ), The Doctor temporarily stumps BOSS by asking it " If I were to tell you that the next thing I say would be true, but the last thing I said was a lie, would you believe me?

* In the Doctor Who serial Snakedance, A Punch and Judy show is briefly recreated despite the alien setting.

He was originally assigned to design the second Doctor Who serial, The Daleks, which would have entailed realising the famous alien creatures.

It is possible that the screwdriver had appeared before Fury from the Deep without the Doctor referring to it by that name: the prop used there appears to be one used by the Doctor in many earlier stories, including the First Doctor's sabotage of Dalek equipment as early as the second serial.

The sonic screwdriver was written out of the series late in season 19, in the Fifth Doctor serial The Visitation.

The newly married Martha Smith-Jones and Mickey Smith are seen being chased by a Sontaran sniper in the last Tenth Doctor serial The End of Time, for unknown reasons.

The Doctor implies in this serial, with his protestations of being " bugged ", that the TARDIS is not normally connected to the Matrix in this manner.

The Doctor attempts to repair the circuit in " Logopolis " and " Attack of the Cybermen ", but the successful transformation of the TARDIS into the shapes of a pipe organ, a painted Welsh dresser ( much to the amusement of Perpurgilliam " Peri " Brown and the Sixth Doctor's annoyance ) and an elaborate gateway in the latter serial was followed by a return to the police box shape.

The Doctor Who serial " The Deadly Assassin ", first broadcast in 1976, introduced a dream-like computer-generated reality, known as the Matrix.

The cave was used for the filming of episodes of the BBC TV series Doctor Who: the serial Revenge of the Cybermen ( 1975 ) starring Tom Baker.

These include the Doctor Who serial The Time Warrior, broadcast in 1973 – 74, and a 1991 movie of Robin Hood starring Patrick Bergin and Uma Thurman.

Bron appeared in a brief scene in the BBC science fiction television series Doctor Who serial City of Death ( 1979 ) alongside John Cleese as art critics in Denise Rene's art gallery in Paris.

" Later, she had a more substantial guest role in another Doctor Who television serial, Revelation of the Daleks ( 1984 ).

The genesis of the novel was in two Doctor Who serials written by Adams, City of Death, ( in which an alien tries to change history at the cost of erasing humanity from existence ), and in particular the cancelled serial Shada, which first introduces a Cambridge professor called Chronotis who is hundreds of years old.

Pemberton had previously served as script editor of Doctor Who and had penned the serial “ Fury from the Deep ”.

* Dreamland ( Doctor Who ), a 2009 animated serial based on Doctor Who

Confusingly, the professionals from these medical domains do not hold a doctorate, which is in France only a research doctorate, but a " State Diploma of Doctor " ( Diplôme d ' État de docteur en médecine ).

He was serving in the Michigan Senate when he enrolled at Thomas M. Cooley Law School, and graduated with a Juris Doctor degree from Cooley, having served as a Michigan State Senator since 1979.

He attended Michigan State University and graduated with a degree in agricultural economics in 1971, and Thomas M. Cooley Law School, graduating with a Doctor of Jurisprudence degree, in 1981.

The so-called E-Space Trilogy of Doctor Who includes the stories Full Circle, State of Decay, and Warriors Gate.

He received honorary Doctor of Science degrees from Case Western Reserve University in 1969, Princeton University in 1985, and the University at Buffalo, The State University of New York in 1990 in connection with an international symposium in his honor organized by John Corcoran.

* In the Doctor Who spin-off novel State of Change, the Sixth Doctor and Peri Brown meet and befriend an alternate version of Ptolmey in a timeline where Cleopatra and Anthony survived thanks to them acquiring a copy of the Doctor's TARDIS console, using the information in its databanks to develop modern technology and weapons centuries ahead of schedule.

He went on to receive a bachelor of science degree in Engineering Physics from Montana State University in 1959, and a Doctor of Philosophy in Solar Physics from the University of Colorado at Boulder in 1965.

In 1929, Kolmogorov earned his Doctor of Philosophy ( Ph. D .) degree, from the Moscow State University.

* Russell G Mawby, BS PhD Michigan, MS Purdue Chairman Emeritus, W K Kellogg Foundation ; Hon DSc California State University, NUI ; Hon DL North Carolina, Tuskagee Institute, Michigan ; Hon DCL Newcastle ; Hon Doctor of Agriculture, Purdue.

Doctor Russell Thacher Trall of New York noted that there were delegates present from the Women's State Temperance Society and moved that the word " ladies " be inserted in the motion, which then carried.

She was educated at the University of California, Berkeley and at San Francisco State College, where she studied journalism, and she earned a Doctor of Arts degree from the Institute for Advanced Study of Human Sexuality.

He received a Doctor of Divinity from Morehouse College, a Doctor od Divinity from Kalamazoo College in Mighigan, a Doctor of Laws from Allen University of South Carolina, a Doctor of Laws from Long Island University in New York, and a Doctor of Laws at Alabama State University.

Doctor Flip Homansky of the Nevada State Athletic Commission examined the young fighter and said Taylor had a facial fracture and was urinating pure blood and his face was grotesquely swollen.

" The same day, the Supreme Court in McLaurin v. Oklahoma State Regents ruled that Oklahoma segregation laws which required a graduate student working on a Doctor of Education degree to sit in the hallway outside the classroom door did not qualify as ' separate but equal.

He received the degree of Doctor of Education from Washington State University in 1963.

* Armen Edward Rostomyan ( 1970 ) – Doctor of Philosophy in Education ( Kent State University, USA ).

He earned a bachelor's degree from Jackson State University in Jackson, Mississippi and a Master's degree and a Doctor of Physical Education degree from Indiana University Bloomington.

It is also a base for the Royal Flying Doctor Service of Australia and the search and rescue helicopters of the State Emergency Service.

During his career, he also worked as a professor of the Moscow State Conservatory, and became a Doctor of Arts.