The author seemed to have been inspired by other novels over the subject of supernatural and unconventional science that goes over the law of the nature. The novels is often linked with Mary Shelley famous novel Frankenstein: Jekyll and Frankenstein both experimented things they couldn’t control and ends up trap by what they did. The opposition of science and nature display the romantic elements of the book. Furthermore, the concept of “mad scientist” was first realized by Christopher Marlowe with his character Doctor Faust created in 1594.

The subject of split personality is the main theme of the book. A man’s double personality was a huge subject often used during the 19th century. The German literary term “Doppelgänger” was used to characterize