The Making of the Plan
Foucault's PendulumBelbo, Casaubon, and Diotallevi turn miscellaneous occult claims into a fictional conspiracy whose coherence eventually gives it real power over people.
increasing
Bearing strength in each event
decreasing
A Publisher's Opportunity

Turning Manuscripts into a Market
Commercial beginnings
Signor Garamond sees a market for occult books and launches Project Hermes. The publishers solicit writers whose claims can attract readers and authors willing to finance publication.
Accidental materials
Belbo and Casaubon encounter a flood of theories about Templars, alchemy, and hidden powers. What begins as editorial work supplies the raw materials for a larger game.
A Program for Connections

The Machine of Association
Random fragments
Belbo uses Abulafia to shuffle statements taken from manuscripts, while Casaubon and Diotallevi add more fragments. The program generates sequences that invite interpretation.
Interpretive completion
The trio supplies connective logic and treats repetition as confirmation. Their method creates a story rather than uncovering one, but its growing detail makes it feel increasingly inevitable.
The Secret Takes Hold

Fiction with Consequences
A hidden history
They fold Freemasons, Jesuits, Rosicrucians, the Assassins, and political events into a single account of a lost map. Every discrepancy becomes another clue.
The cost of coherence
Their invented structure attracts people who already want a secret explanation of history. The Plan escapes its authors' control and becomes a motive for real action.
After Garamond proposes Project Hermes
During the Plan's first construction
After the trio expands the Plan