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The Big Four · Character

Halliday

A man whose death is linked to the Big Four conspiracy.

minor

Also known as M. Halliday, This M. Halliday, John Halliday

First appearance: i the unexpected guest

Halliday's tie to Hercule Poirot is one of the pressures that moves The Big Four—worth meeting in the text, not only on a cast list.

British scientist who disappeared in Paris; his work on wireless energy is linked to the Big Four.
In the storyV: Disappearance of a ScientistOpen this moment free

Free preview opens at this moment — character cards, Character Web, and themes sit beside the text as you read.

With Hercule Poirot (professional): Halliday is a character connected to the case, possibly a suspect or relative of a victim, interacting with Poirot. With Hercule Poirot (professional): Halliday is a character…

Continue beside the text

The fuller portrait of Halliday sits in Reading Lens — open the free preview to keep reading with notes on the page.

See Halliday in i the unexpected guest

Character Web

19 connections

A slice of how Halliday sits in the book — open the reader for the full interactive map.

HPHercule PoirotIJInspector JappLILingJIJohn InglesNFNumber FourHAHalliday

Relationship types

  • Professional
  • Other

Character groups

  • Core Conspirators and Victims
  • Protagonist
  • Medical and Support Personnel
  • Allies and Informants

+14 more in the full Character Web

Open in reader

Narrative arc

Story tension across the book — this chapter sits in Exposition.

SetupEscalationAftermathClimax
  • Setup
  • Escalation
  • Breaking point
  • Aftermath
  • Closing

This is the dramatic climax because Hastings is forced to confront the ultimate emotional and psychological pe…

Full beat labels and climax notes unlock in the reader.

Follow the arc while reading

Relationships

Relationship notes

How these ties play out is in the reading companion — open the free preview.

See Halliday in i the unexpected guest

In the story

Halliday appears across 3 companion beats. Open any chapter in the free preview to see the notes beside the text.

Chapter companion notes

Spoil-light check-ins for Halliday unlock in the free preview.

See Halliday in i the unexpected guest