# Jack Duane — The Jungle character guide

> Jack Duane in The Jungle by Upton Sinclair.

**Role:** supporting

**Also known as:** Duane

**First appearance:** 0022-xxi

## Snapshot

A genial safe-breaker and jailhouse philosopher who befriends Jurgis in a Chicago cell and teaches him, without preaching, how the loaded game is played.

## Who they are

Duane is a man who once had a family and gave it up, and he tells Jurgis plainly that this is no world in which a man has any business with one. His openness — he shares names, places, triumphs, and griefs with the wondering newcomer — makes him the most human figure in the city's criminal drainage, and his creed that "one thing leads to another" quietly reframes Jurgis's ruin as something the system produced. He matters because he offers Jurgis a way of seeing his own fall, and a path out of innocence that the reader watches him consider.

## Relationships

### [Jurgis Rudkus](https://www.betterreads.dev/discover/the_jungle_se/characters/jurgis_rudkus)

_friendship_

Jack Duane is a seasoned criminal who becomes Jurgis's ally in the underworld, teaching him the ways of theft and survival.

## In the story

### [Chapter XVII](https://www.betterreads.dev/discover/the_jungle_se/chapters/xvii)

Jurgis's cellmate, a college-educated safe-breaker who was robbed of an invention and turned to crime; he shares his cynical worldview and introduces Jurgis to the criminal underworld.

### [Chapter XXV](https://www.betterreads.dev/discover/the_jungle_se/chapters/xxv)

Duane introduces Jurgis to saloons and sporting-houses where criminals and political operatives gather, and later escapes capture after being caught burglarizing a store.

### [XXVII](https://www.betterreads.dev/discover/the_jungle_se/chapters/xxvii)

Referenced as a former companion in crime during the assault on a 'country customer.'

## Links

- HTML: https://www.betterreads.dev/discover/the_jungle_se/characters/jack_duane
- Book: https://www.betterreads.dev/discover/the_jungle_se
- All characters: https://www.betterreads.dev/discover/the_jungle_se/characters