The Alienist is a crime novel by Caleb Carr

Caleb Carr

Caleb Carr is an American novelist and military historian.-Biography:A son of Lucien Carr, a former UPI editor and a key Beat generation figure, he was born in Manhattan and lived for much of his life on the Lower East Side. He attended Kenyon College and New York University, earning a B.A. in...

 first published in 1994. It takes place in New York City in 1896, and includes appearances by many famous figures of New York society in that era, including Theodore Roosevelt

Theodore Roosevelt

Theodore "Teddy" Roosevelt was the 26th President of the United States . He is noted for his exuberant personality, range of interests and achievements, and his leadership of the Progressive Movement, as well as his "cowboy" persona and robust masculinity...

 and J. P. Morgan

J. P. Morgan

John Pierpont Morgan was an American financier, banker and art collector who dominated corporate finance and industrial consolidation during his time. In 1892 Morgan arranged the merger of Edison General Electric and Thomson-Houston Electric Company to form General Electric...

. The sequel

Sequel

A sequel is a narrative, documental, or other work of literature, film, theatre, or music that continues the story of or expands upon issues presented in some previous work...

 to the novel is The Angel of Darkness

The Angel of Darkness

The Angel of Darkness is a novel by Caleb Carr. It was published in 1997; and is a follow-up of The Alienist.-Historical figures in the novel:* Clarence Darrow* Theodore Roosevelt* Cornelius Vanderbilt II...

. The story follows Roosevelt, then New York City police commissioner, and Dr. Laszlo Kreizler, as their investigative team attempts to solve gruesome murders through new methods including fingerprinting and psychology

Psychology

Psychology is the study of the mind and behavior. Its immediate goal is to understand individuals and groups by both establishing general principles and researching specific cases. For many, the ultimate goal of psychology is to benefit society...

.