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John Dee

Foucault's Pendulum

John Dee is the pivotal historical figure in the novel’s speculative account of how a secret message and an unfinished map might have passed through European occult traditions. Introduced as a mage, cabalist, and astrologer to Elizabeth I, he is recast by the characters as the leader of an English Templar group whose missed meeting with French counterparts sets off a search for the lost pattern. The portrait grows through Dee’s calendrical work, books, maps, and voyages, then enters a nested fictional life narrated by Edward Kelley. Its force lies in the way a plausible collection of details becomes a total conspiracy—and in how readily the investigators’ imaginative method reproduces that transformation.

Identity and Historical Role

In Casaubon’s reconstruction, Dee is an English mage and cabalist who, toward 1584, was assigned to study the reform of the Julian calendar. He is also described as Elizabeth I’s astrologer and as the leader of an English group with Templar connections. The narrative does not offer him as a securely documented secret master; rather, it shows how the investigators use scattered historical associations to assign him that role within the Plan.

The account gives Dee an expansive intellectual profile. He assembles a personal library of four thousand volumes, compared with the imagined learning of the Templars of Provins, and writes the Monas Hieroglyphica, which Casaubon says appears to draw directly on the Tabula smaragdina, a foundational alchemical text. Dee’s interests in occult learning and astronomy make him especially useful to the Plan’s logic: the same figure can be made to connect secret texts, calendrical error, and the measurement of the world.

The Failed Meeting and the Calendar

The central episode in Dee’s supposed political role is a secret rendezvous between English and French Templars. The characters propose that the two parties used different calendars: a date that was June 23 in France was still June 13 in England. The French group may therefore have waited for the English, concluded that no one was coming, and departed before the English arrived. Each side could have interpreted the other’s absence as a betrayal or disaster. This explanation turns a calendar discrepancy into the imagined origin of a lasting break between groups.

Casaubon’s account makes Dee the man who recognized the error too late. After the meeting failed, Dee supposedly studied the Steganographia of Trithemius in manuscript and pursued the Gregorian reform in an effort to understand or correct what had gone wrong. He could not identify a French contact with whom to resume communication. The reconstruction then sends him to Prague, where he meets Heinrich Khunrath, whose allegorical plates are said to have influenced Andreae and the Rosicrucian manifestos. These links supply a chain of transmission for the Plan, but the passage presents the chain as inference and imaginative assembly, not demonstrated history.

Maps, Voyages, and the Search for a Whole

Dee’s activity in navigation and cartography provides the other major strand of the theory. Even before the imagined rendezvous fails, he is said to study maps and promote naval expeditions. His associate is Pedro Nunes, Portugal’s royal cosmographer; Casaubon also connects Dee with attempts to find the Northwest Passage to Cathay, with Martin Frobisher’s northern expedition, and with encouragement of Francis Drake’s circumnavigation. In this account, Dee favors voyages eastward because the East is imagined as the source of occult knowledge, and at the departure of one expedition he is said to have summoned angels.

The investigators interpret these activities less as a practical program of geographical discovery than as a search for a complete cartographic message. Dee consults Gerardus Mercator and Abraham Ortelius, the great mapmakers of the period. Casaubon imagines that fragments in Dee’s possession convinced him that their final whole would be a map, which he might reconstruct by his own magical or scientific means rather than wait for the Plan to be completed collectively. The suggestion sharpens the story’s contrast between shared spiritual purpose and individual ambition: in the imagined account, Dee’s impatience and desire to solve the message alone signal the rise of the “bourgeois conqueror” and the weakening of solidarity.

Dee and Kelley in the Embedded Narrative

The novel develops the historical speculation into fiction through a narrative titled “The Cabinet of Dr. Dee.” Its speaker, Edward Kelley, recalls having forgotten his former identity as Talbot after deciding to call himself Kelley. He describes falsifying documents and says that the queen’s men were merciless; he wears a pointed black cap to cover what remains of his severed ears, while others murmur that he is a sorcerer. Dee appears in this story as a man who flourishes under a similar reputation.

Kelley visits Dee at Mortlake and finds him examining a map. Dee speaks of a Roger Bacon manuscript lent by Emperor Rudolf and recommends Prague as a place that might change Kelley’s life. In a later scene, Dee summons Kelley, William, Spenser, and the young Francis Bacon, whose eyes Dee calls those of a viper. He describes a Cosmic Plot: Dee and Spenser, accompanied by Pedro Nunes, are to meet the French Templar wing in Paris and join two parts of the same map. Kelley and Bacon receive documents with instructions to open them only if the travelers fail to return.

Dee and Spenser do return, exchanging insults after the meeting has gone wrong. Dee insists that the Plan is mathematical and possesses the astral perfection of his Monas Hieroglyphica; they were meant to meet the French on Saint John’s Eve. Kelley’s question—whether that date should be reckoned by the French or English calendar—turns the calendar discrepancy into a dramatic cause of the failure. The embedded tale thus stages as lived experience what the outer narrative has proposed as historical conjecture. It also shows the Plan generating its own apparent evidence: once the characters invent the secret rendezvous, they can supply its participants, documents, missed appointment, and consequences.

Narrative Significance

Dee’s significance depends on the unstable boundary between historical reference and invented connection. The investigators begin by admitting that their associations are unwarranted shortcuts, gathered as a parody of conspiracy-minded thinking. As they repeat the practice of linking everything to everything else, however, the habit threatens to become belief. Dee is an ideal center for that process because the details attached to him—astronomy, occult texts, a library, maps, voyages, and royal patronage—can be arranged into a compelling pattern without proving that the pattern existed.

The completed Plan is explicitly described as invented, yet its believers identify fragments of their own confused mythologies within it and treat those fragments as moments in a logical web of analogy and suspicion. In this sense, Dee’s fictional role illustrates how a conspiracy can become consequential even when its origin is fabrication: people accept it, find themselves inside it, and begin to act as if it were real. His imagined attempt to reconstruct a hidden map anticipates the modern searchers’ own compulsion to make every clue converge, while the nested account of Kelley exposes how fiction can furnish the history that the theory then claims to discover.