The word "doppelgänger" is a loanword from the German noun Doppelgänger, literally meaning "double-walker". The singular and plural forms are the same in German, but English writers usually prefer the plural … See more

John Donne
Izaak Walton claimed that John Donne, the English metaphysical poet, saw his wife's doppelgänger in 1612 in Paris, on the same night as the stillbirth of their daughter. This account first appears in the edition of Life of Dr. … See more

The idea of having a doppelganger is central theme in Naomi Klein's 2023 memoir and political analysis Doppelganger: A Trip Into the Mirror World. In it, Klein examines the current climate of political polarization and conspiracy thinking by … See more

• Alter ego
• Bilocation
• Capgras delusion
• Changeling
• Cloning
• Gothic double See more

English-speakers have only recently applied this German word to a paranormal concept. Francis Grose's, Provincial Glossary of 1787 used the term fetch instead, defined as … See more

Literature
Lord Byron uses doppelgänger imagery to explore the duality of human nature.
In The Devil's Elixirs (1815), one of E. T. A. Hoffmann's … See more

Research has found that people who are "true" look-alikes have more similar genes than people who do not look like each other. They share genes affecting not only the face but also some phenotypes of physique and behavior, also indicating that (their) differences … See more