Matthew’s Academic Past
PiranesiThis flow traces Matthew’s outside-world research interests as they lead him to investigate Arne-Sayles, meet Ketterley, and enter the House.
increasing
Bearing strength in each event
decreasing
A Scholar of Outsider Ideas

Studying Transgression
An interdisciplinary interest
Matthew Rose Sorensen studies ideas that cross disciplinary boundaries, moving through mathematics, philosophy, and intellectual history. He is drawn to people whose claims challenge accepted limits.
Arne-Sayles as a subject
Laurence Arne-Sayles becomes an ideal case: a scholar who joins magic, science, and claims about other worlds. Matthew’s project makes him approach people whose histories are dangerous.
The Book Proposal

Planning a Biography
A project weighed
Matthew considers writing a book about Arne-Sayles and lists the subject’s scandal, theories, and missing associates as reasons to proceed. He also recognizes the emotional cost of writing about a malicious figure.
A trail of names
His notes connect Sylvia D’Agostino, Stanley Ovenden, Maurizio Giussani, and James Ritter to the story. The research creates a route toward the House without Matthew understanding the danger.
The Ketterley Interview

Questions in Battersea
A reluctant witness
Matthew interviews Valentine Ketterley about Arne-Sayles and the labyrinth. Ketterley argues that Arne-Sayles was intellectually coherent but personally manipulative.
Curiosity outweighs caution
Matthew questions the idea that anyone truly saw another world, but agrees to perform the ritual. He treats it as an opportunity to understand Arne-Sayles’s influence.
The Failed Skeptic’s Test

The Experiment Becomes Real
A detail exposes belief
Matthew notices the candle’s repeated position and concludes that Ketterley still believes he can reach the labyrinth. He expects the ritual to end in an argument.
An irreversible turn
The outside world disappears and Matthew finds himself among the minotaurs. Skepticism has not protected him from the consequences of trying to understand.
The Researcher Returns Changed

A Project Reclaimed
History reconstructed
Matthew regains his missing journals and decides to write about Arne-Sayles. He now knows the labyrinth from direct experience, not only from interviews and texts.
A transformed purpose
He can move between worlds and help James Ritter revisit the House. His research remains, but it is joined to responsibility for people harmed by the theories he once studied.
During Matthew’s academic career before November 2012
During the months before Matthew disappears
On 15 November 2012
Minutes after the ritual begins
After his reappearance in November 2018