The Recurring Cast
Character · Rivals and adversaries · 3 books

Professor Moriarty

Professor James Moriarty is a brilliant mathematician and the hidden organiser of crime in London, Holmes’s greatest enemy.

Spoiler-free profile written for The Recurring Cast.

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Character facts

First appearance
The Memoirs of Sherlock Holmes (1894)
Latest appearance
The Valley of Fear (1915)
Books
3 (2 major, 1 minor)
Series
Sherlock Holmes stories, Sherlock Holmes novels
Author
Arthur Conan Doyle
Circle
Rivals and adversaries

Where to meet Professor Moriarty

Professor Moriarty first appears in The Memoirs of Sherlock Holmes (1894), in a major role, book 2 of the Sherlock Holmes stories series.

Buy The Memoirs of Sherlock Holmes

Every book with Professor Moriarty

In publication order, with the size of their role in each.

  1. 1894MThe Memoirs of Sherlock Holmesmajor role · Sherlock Holmes storiesThe final struggle at ReichenbachBuy
  2. 1905·The Return of Sherlock Holmesminor role · Sherlock Holmes storiesBuy
  3. 1915MThe Valley of Fearmajor role · Sherlock Holmes novelsBuy

Appears most often with

CharacterBooks together
Dr John WatsonArmy doctor, Holmes’s friend and chronicler3
Mrs HudsonLandlady at 221B Baker Street3
Sherlock HolmesConsulting detective3
Inspector LestradeScotland Yard detective2
Mycroft HolmesSherlock’s older brother, who works for the government2