Rosicrucian Brotherhood
Foucault's PendulumThe Rosicrucian Brotherhood is at once a secret fraternity of emblematic imagination and a supposed link in the novel’s invented chain of historical conspiracies. Its signs—the moving tower, the word “Fa/ma,” a trumpet, and the number thirty-six—invite interpretation, but the characters’ eventual recognition that the Plan has no historical foundation turns the Brotherhood’s aura into a study of how symbols and inherited stories can be made to seem like proof.
Emblem and Signs
While trying to guess Jacopo Belbo’s password, Casaubon studies a seventeenth-century Rosicrucian engraving. It depicts the Temple of the Rosy-Cross as a tower modeled on the Temple of Jerusalem, with a landscape crowded by incongruous figures: a man emerging from a well, a horseman, a wayfarer, a pilgrim carrying an anchor, and a falling swordsman. Mount Ararat and the Ark appear in the distance; above them, the hand of God holds the tower by a thread.
The tower’s architecture compounds the invitation to decode. It stands on wheels and rises through galleries, turrets occupied by armed men, an octagonal dome and lantern, and smaller cupolas, ending in a bell tower. A scroll identifies the “Collegium Fraternitatis,” while “Fa/ma” appears near the top. An enormous arm thrusts a sword from one window; a great trumpet projects from another. The trumpet is not an isolated image but a recurrence that catches Casaubon’s attention.
Casaubon counts the tower’s openings, assuming that the unseen half repeats the visible arrangement. The total is thirty-six, a number that has haunted him for more than ten years and that he associates with the Rosicrucians. He tests whether 120 divided by 36 might yield a meaningful result, then whether 36 multiplied by two might produce 666; both guesses fail. The engraving’s Hebrew letters offer another possible password, but they spell the Tetragrammaton, the name of God, which Belbo could not have typed in Hebrew on Abulafia. The episode makes the emblem’s abundance of signs palpable while showing that a plausible-looking correspondence is not, by itself, a discovery.
The Templar Inheritance
The Brotherhood also enters the novel through the familiar legend that the Templars escaped persecution in France and carried their secrets to Scotland. A manuscript recounts the tale of an ox-drawn hay wain leaving the Paris Temple shortly before the arrests ordered by Philip the Fair; hidden aboard, supposedly, were knights led by Aumont. The fugitives are said to have taken refuge in Scotland and joined a lodge at Kilwinning, thereby joining the origins of Freemasonry to the Temple’s secrets.
Casaubon dismisses the account as an unsupported story repeatedly copied across pamphlets. Its claim of continuity, he argues, resembles a circular proof: secret orders are treated as evidence that the Templars survived because the legend already says they survived. Belbo nevertheless finds the subject compelling and wants to question Casaubon, whom he regards as an expert. The exchange establishes a tension central to the Brotherhood’s place in the novel: skepticism can identify recycled legend, yet the desire to know what the legend conceals keeps the investigation alive.
From Historical Claim to Constructed Plan
Years later, Casaubon revisits the alleged Provins message and reads its references to meetings and castles as evidence of a centuries-long Templar operation. He identifies Tomar as the likely first meeting place, not the romantic destinations he had previously associated with the message, and returns to the document with a changed conviction. Yet his own corrective thought is decisive: the task is not to discover the Templars’ secret but to construct it. The supposed Rosicrucian and Templar inheritance thus becomes part of the characters’ creative procedure rather than a verified historical account.
That procedure reaches its most extravagant form in an interpretation that makes Jesus the true founder of the Rosicrucians and the King of the World. In this account, Jesus survived crucifixion, came to France, married Mary Magdalene at Cana, and founded the royal line of France. The Brotherhood is placed within an immense genealogy of hidden knowledge, but the interpretation’s force comes from the accumulation of connections, not from independently established evidence.
Fabrication, Reception, and Meaning
Lia’s reading finally breaks the spell: the Provins message is a laundry list, there were no Templar meetings at the Grange-aux-Dîmes, and neither Plan nor message existed. The characters had treated a document like a crossword with empty squares, filling it so that all the pieces would fit. Their rules allowed concepts to connect by analogy, accepted a chain if it eventually returned to its starting point, and favored connections others had already made because familiarity made them seem true.
Lia contrasts this procedure with Homer. The Iliad can transform the story of Troy into something enduring without concealing a puzzle behind a mass of contradictory secrets. The fabricated Plan, by contrast, invites readers to find in its incoherence whatever they already want to find. Its danger lies partly in that reception: people who hunger for a comprehensive explanation can mistake the feeling of connection for evidence. In that sense, the Rosicrucian Brotherhood functions less as a securely documented historical organization than as a powerful name within the novel’s machinery of interpretation—a name whose symbols can be read, reused, and finally exposed as components of a human-made design.


