List of Main Characters

(Chapter in which They Are Introduced)

JULE DAVIDSON, a mathematician (1)

JOHANNA DAVIDSON, Jule’s twin sister; a consultant in computer security (1)

LEONARD RICHTER, alias Mr. Smith, a literary critic interested in enigmas (1)

ELMER GALWAY, a professor of classical history at Oriel College in Oxford (2)

BRADLEY JOHNSTON, a history of philosophy professor at Oriel and Elmer Galway’s former student (2)

IRENA MONTRYAN, an assistant curator at the Royal Ontario Museum of Science (2)

JOHN GALWAY, Elmer’s elder brother; a gem dealer (4)

DAVID GREEN, a rare book dealer (4)

ALFONSO LOPEZ DE BURGOS, a Spanish businessman (5)

LYSIS OF TARENTUM, a disciple of Pythagoras (8)

NORTON THORP, an internationally famous mathematician (9)

THERESE THORP, Norton’s aunt and surrogate mother (9)

MORRIS PRINGLEY, Therese’s close friend; an attorney (9)

ANDREW (ANDY) STONE, a retired professor of computer science (10)

GREGORY TRENCH, a doctor and member of The Beacon, an esoteric sect (14)

ROCKY, an ex-con; an acquaintance of Trench’s (15)

HOUDINI, a computer wizard who works occasionally for Trench (15)

LAURA HIRSCH, a professor of classical studies; she’s writing a book about Pythagoras (16)