Dan Green is the pseudonym of British

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 author, writer, radio and television broadcaster , and documentary-maker Callum Jensen, whose two self-published

Self-publishing

Self-publishing is the publication of any book or other media by the author of the work, without the involvement of an established third-party publisher. The author is responsible and in control of entire process including design , formats, price, distribution, marketing & PR...

 books The Lincoln Da Vinci Code (2005) and The Lincoln Da Vinci Code and the Mystery of Rennes-le-Chateau (2006) present his "Lincoln Cathedral Code" theories

Theory

The English word theory was derived from a technical term in Ancient Greek philosophy. The word theoria, , meant "a looking at, viewing, beholding", and referring to contemplation or speculation, as opposed to action...

 involving the pseudohistorical

Pseudohistory

Pseudohistory is a pejorative term applied to a type of historical revisionism, often involving sensational claims whose acceptance would require rewriting a significant amount of commonly accepted history, and based on methods that depart from standard historiographical conventions.Cryptohistory...

 mystery of Rennes-le-Château

Rennes-le-Château

Rennes-le-Château is a commune in the Aude department in Languedoc in southern France.This small French hilltop village is known internationally, and receives tens of thousands of visitors per year, for being at the center of various conspiracy theories, and for being the location of an alleged...

.

Presenting as factual and carrying on where Dan Brown's

Dan Brown

Dan Brown is an American author of thriller fiction, best known for the 2003 bestselling novel, The Da Vinci Code. Brown's novels, which are treasure hunts set in a 24-hour time period, feature the recurring themes of cryptography, keys, symbols, codes, and conspiracy theories...

 fictional The Da Vinci Code

The Da Vinci Code

The Da Vinci Code is a 2003 mystery-detective novel written by Dan Brown. It follows symbologist Robert Langdon and Sophie Neveu as they investigate a murder in Paris's Louvre Museum and discover a battle between the Priory of Sion and Opus Dei over the possibility of Jesus having been married to...

leaves off, the conclusion of Green's work pinpoints a precise location within the burial grounds of St Margaret, opposite the southeast corner of Lincoln Cathedral

Lincoln Cathedral

Lincoln Cathedral is a historic Anglican cathedral in Lincoln in England and seat of the Bishop of Lincoln in the Church of England. It was reputedly the tallest building in the world for 249 years . The central spire collapsed in 1549 and was not rebuilt...

, where he expects artifacts relating to Mary Magdalene

Mary Magdalene

Mary Magdalene was one of Jesus' most celebrated disciples, and the most important woman disciple in the movement of Jesus. Jesus cleansed her of "seven demons", conventionally interpreted as referring to complex illnesses...

 and the Knights Templar

Knights Templar

The Poor Fellow-Soldiers of Christ and of the Temple of Solomon , commonly known as the Knights Templar, the Order of the Temple or simply as Templars, were among the most famous of the Western Christian military orders...

 may one day be found. Green presented a copy of The Lincoln Da Vinci Code to Ron Howard

Ron Howard

Ronald William "Ron" Howard is an American actor, director, and producer. He came to prominence as a child actor, playing Opie Taylor in the sitcom The Andy Griffith Show for eight years, and later the teenaged Richie Cunningham in the sitcom Happy Days for six years...

, director of The Da Vinci Code

The Da Vinci Code (film)

The Da Vinci Code is a 2006 American mystery thriller film directed by Ron Howard. The screenplay was written by Akiva Goldsman and based on Dan Brown's worldwide bestselling 2003 novel, The Da Vinci Code...

during filming of scenes for the movie within the Cathedral.

An earlier student of Kalachakra

Kalachakra

Kalachakra is a Sanskrit term used in Tantric Buddhism that literally means "time-wheel" or "time-cycles".The spelling Kalacakra is also correct....

 and Vajrayana

Vajrayana

Vajrayāna Buddhism is also known as Tantric Buddhism, Tantrayāna, Mantrayāna, Secret Mantra, Esoteric Buddhism and the Diamond Vehicle...

 Tibetan Buddhism

Tibetan Buddhism

Tibetan Buddhism is the body of Buddhist religious doctrine and institutions characteristic of Tibet and certain regions of the Himalayas, including northern Nepal, Bhutan, and India . It is the state religion of Bhutan...

, Green's work draws not only on deductions made from decoding
Masonic

Freemasonry

Freemasonry is a fraternal organisation that arose from obscure origins in the late 16th to early 17th century. Freemasonry now exists in various forms all over the world, with a membership estimated at around six million, including approximately 150,000 under the jurisdictions of the Grand Lodge...

 architecture and symbolism within Lincoln Cathedral and Rennes-le-Château, but also involving the collective unconscious

Collective unconscious

Collective unconscious is a term of analytical psychology, coined by Carl Jung. It is proposed to be a part of the unconscious mind, expressed in humanity and all life forms with nervous systems, and describes how the structure of the psyche autonomously organizes experience...

 and synchronicity

Synchronicity

Synchronicity is the experience of two or more events that are apparently causally unrelated or unlikely to occur together by chance and that are observed to occur together in a meaningful manner...

 as tools.

In 2007 Green requested permission for a ground penetrating radar scan of the St. Margaret burial grounds by the
Lincoln Cathedral authorities. The cathedral's chief executive was quoted at the time as saying "If this is just a radar scan that will have no structural impact then I can't see a problem. But if something comes up and we're talking about excavation then things get more complicated." In February 2007 the Cathedral withdrew permit on the grounds of "not having enough staff resources to attend." Green relayed his disappointment to the Archbishop of Canterbury

Archbishop of Canterbury

The Archbishop of Canterbury is the senior bishop and principal leader of the Church of England, the symbolic head of the worldwide Anglican Communion, and the diocesan bishop of the Diocese of Canterbury. In his role as head of the Anglican Communion, the archbishop leads the third largest group...

 Dr Rowan Williams

Rowan Williams

Rowan Douglas Williams FRSL, FBA, FLSW is an Anglican bishop, poet and theologian. He is the 104th and current Archbishop of Canterbury, Metropolitan of the Province of Canterbury and Primate of All England, offices he has held since early 2003.Williams was previously Bishop of Monmouth and...

, only to learn that the Archbishop was unable to intervene in decisions made by a Cathedral.

Amongst Green's supporters are authors Lionel and Patricia Fanthorpe

Lionel Fanthorpe

The Reverend Robert Lionel Fanthorpe is a British priest and entertainer, and has at various times worked as a journalist, teacher, television presenter, author and lecturer...

. Reverend Fanthorpe, also a Freemason , commented on The Lincoln Da Vinci Code how "loose ends that suddenly snap together disconcertingly", adding, "There is much in our theories that is of great interest." Also commenting elsewhere, "I've read Callum's work and he has made some fascinating discoveries." Another supporter, researcher on the esoteric

Esotericism

Esotericism or Esoterism signifies the holding of esoteric opinions or beliefs, that is, ideas preserved or understood by a small group or those specially initiated, or of rare or unusual interest. The term derives from the Greek , a compound of : "within", thus "pertaining to the more inward",...

 Andrew Gough, interviewed Green on his prestigious "17 Questions" feature on the Rennes-le-Chateau website 'Andrew Gough's Arcadia' in 2006.

Green presented his theories on the Edge Media Television

Edge Media Television

EDGE Media - Sky channel 200 is an independent, non-fiction television channel that broadcasts in the UK, and is available on the Sky platform. The channel is currently listed as Controversial TV on the EPG , although the station is moving away from using the moniker "Controversial TV".Founded by...

 channel in January 2009 (Gardiner's World).

April 2010 saw the United States release Green's documentary DVD

DVD

A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....

 The Murder of Mary Magdalene: Genocide of the Holy Bloodline , based on his books with the added twist that further discoveries were suggesting that the Biblical figure of a pregnant Mary Magdalene had been murdered and therefore there could be no bloodline resulting from a child with Jesus Christ. He has done an intensive tour of live paranormal

Paranormal

Paranormal is a general term that designates experiences that lie outside "the range of normal experience or scientific explanation" or that indicates phenomena understood to be outside of science's current ability to explain or measure...

 radio shows in the USA, each
available on podcast

Podcast

A podcast is a series of digital media files that are released episodically and often downloaded through web syndication...

.

Dan Green has contributed to Knights Templar researcher Oddvar Olsen's booklet series The Temple: Knights Templar No. 9, article entitled "The Lincoln Cathedral Code - Solution to the Mystery of Rennes-le-Chateau?" (13 October 2006) that was included as a chapter to Olsen's book The Temple Antiquities: The Templar Papers II (2010). Green has likened the city of Lincoln to being a New Jerusalem

New Jerusalem

In the book of Ezekiel, the Prophecy of New Jerusalem is Ezekiel's prophetic vision of a city to be established to the south of the Temple Mount that will be inhabited by the twelve tribes of Israel in the...

 and notes that three miles to the west of the Cathedral is a small village that is actually named Jerusalem

Jerusalem, Lincolnshire

Jerusalem is a village in the North Kesteven district of Lincolnshire, England. One of the earliest references to Jerusalem was found in documents dating back to 1436....

.

In 2009 Green worked with mathematician and astronomer Greg Rigby, author of On Earth as it is in Heaven (1996) and The God Secret (2009) who aligned and oriented Lincoln Cathedral with star maps to present a connection with the star Arcturus, which has been connected with the Arthurian legends

King Arthur

King Arthur is a legendary British leader of the late 5th and early 6th centuries, who, according to Medieval histories and romances, led the defence of Britain against Saxon invaders in the early 6th century. The details of Arthur's story are mainly composed of folklore and literary invention, and...

.

Green, continues to write for national paranormal and mystery orientated magazines and continues to research his theories on
"The Lincoln Cathedral code".