# Moritz Wagner — The Origin of Species character guide

> Moritz Wagner in The Origin of Species by Charles Darwin.

**Role:** minor

**Also known as:** Moritz Wagner, Wagner

**First appearance:** 0086-xii-geographical-distribution

## Who they are

A naturalist who proposed the role of geographical isolation in speciation.

## In the story

### [Circumstances Favourable for the Production of New Forms Through Natural Selection](https://www.betterreads.dev/discover/the_origin_of_species_se/chapters/circumstances-favourable-for-the-production-of-new-forms-through-natural-selection)

Cited for his essay on isolation; Darwin disagrees with Wagner's claim that migration and isolation are necessary for speciation.

## Links

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