Hidden Histories of the Unconscious Mind: Rediscovering Freud’s “Brilliant Mystic”, Carl du Prel (1839-1899)

The philosopher and occult writer Carl du Prel was the most prominent German-language theorist of the unconscious self immediately before Sigmund Freud, who once called du Prel “that brilliant mystic.” Revered by artists like R. M. Rilke, Wassily Kandinsky and Hilma af Klint, du Prel’s writings informed the work of renowned psychologists other than Freud, … Read more

“Paracelsus: An Alchemical Life”

The Swiss Renaissance physician and natural philosopher Theophrastus von Hohenheim (aka Paracelsus) has been praised as a ‘father’ of modern toxicology by some, and derided as a self-evident pseudoscientist and charlatan by others. Aspects of his supposed and actual ideas have been claimed by humanistic proponents of holistic medicine as well as by Nazism, and … Read more

Ghosts in the UK and Germany: Responses to a Query from a Japanese Newspaper

Earlier this month I was contacted by a reporter from the Tokyo newspaper Chunichi Shimbun with questions on ghost beliefs in the UK. The occasion for the query was the Obon Festival – the time of the year when spirits of the dead are believed to reunite with their families –, which is currently celebrated … Read more

Emil du Bois-Reymond: Science, Progress and Superstition. An Interview with Gabriel Finkelstein

Gabriel Finkelstein is Associate Professor of History at the University of Colorado Denver, where he teaches courses on Modern Germany, Modern Europe, History of Science, and History of Exploration. He has a degree in physics from Amherst College and a doctorate in history from Princeton University. He recently published a biography of the German physiologist … Read more

A Night of Mesmerism and Psychology at Barts Museum

Last Thursday I had the privilege of giving a talk in the excellent Damaging the Body lecture series, ably organised at Barts Museum of Pathology, London, by Jo Parsons and Sarah Chaney. Surrounded by hundreds of jars filled with various organs and body parts of dead people (no nibbles were served in case you’re wondering), … Read more