The Red Thumbmark · Character

Dr. Christopher Jervis

Thorndyke's friend and medical colleague, whose wry narration and easy rapport with witnesses make him the reader's eyes inside a case built on scientific detection.

supporting

Also known as Jervis, Dr. Jervis, Christopher Jervis

First appearance: The Red Thumbmark

As a supporting figure in The Red Thumbmark, Dr. Christopher Jervis is not background color—the story leans on what they do once the chapter opens.

Reunites with Thorndyke and becomes involved in the Hornby case.

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Dr. Jervis moves between Thorndyke's chambers and the anxious households of the accused, gathering the Thumbograph from a tearful Mrs. Hornby and smoothing over his own tactless remarks to Juliet Gibson. He is loyal but human, prone to small social missteps that reveal the emotional stakes beneath the forensic surface. As narrator, his skepticism and admiration shape how we weigh Thorndyke's unconventional methods against the legal establishment's hostility.

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Character Web

9 connections

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Relationship types

Other

Character groups

Legal and defense team
Protagonist

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Narrative arc

Story tension across the book.

Setup
Escalation
Breaking point
Aftermath
Closing

This excerpt is the dramatic climax because it presents the emotional and psychological peak of Jervis’s inter…

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In the story

Dr. Christopher Jervis appears across 18 companion beats. Open any chapter in the free preview to see the notes beside the text.

The Red Thumbmark
Reunites with Thorndyke and becomes involved in the Hornby case.
My Learned Brother
Narrator and Thorndyke's old friend; currently unemployed and working as a locum tenens.
II: The Suspect
Present during the consultation, examines Reuben's hands at Thorndyke's request, and observes the proceedings.
III: A Lady in the Case
Receives instructions from Thorndyke, is presented to Miss Gibson, and later discusses with Thorndyke the psychological implications of her visit.
IV: Confidences
Visits Mrs. Hornby and Juliet to discuss the Thumbograph; arranges for its delivery to Thorndyke; has a private conversation with Juliet about the case and her relationship with Reuben.
V: The “Thumbograph”
Reports to Thorndyke on his interview with Miss Gibson, demonstrating loyalty and discretion.
Committed for Trial
Struggles with his personal feelings for Juliet Gibson while reaffirming his professional duty to Reuben Hornby.
Shoals and Quicksands
Visits Juliet Gibson to deliver news of Reuben's committal and imprisonment; comforts her and agrees to accompany her to the prison.
A Suspicious Accident
Presents his theory of the crime involving John Hornby's financial troubles; reflects on Thorndyke's hidden knowledge.
IX: The Prisoner
Accompanies Juliet Gibson to Holloway Prison, describes the visiting procedure, and interviews Reuben Hornby.
X: Polton Is Mystified
Returns from visiting Juliet, reports her story to Thorndyke, and reflects on his romantic feelings for her.
The Ambush
Accompanies Thorndyke, observes the ambush, and questions Thorndyke's secrecy about the projectile.
XII: It Might Have Been
Struggles with his love for Juliet and his duty to Reuben; becomes distant and formal with her.
XIII: Murder by Post
Assists Thorndyke in examining the cigar and packaging, expresses concern for Thorndyke's safety, and learns about Thorndyke's private journal of theoretical crimes.
A Startling Discovery
Discovers the typewriter coincidence linking Walter Hornby to the poisoned cigar; accompanies Mrs. Hornby and Juliet to court.
XV: The Fingerprint Experts
Observes the trial, comforts Juliet, and anticipates Thorndyke's evidence.
XVI: Thorndyke Plays His Card
Observes the trial proceedings and comforts Juliet Gibson during the verdict.
At Last
Confesses his love for Juliet and his past misery over thinking she was engaged to Reuben.

Chapter companion notes

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