Genius and Degeneration: A Psychological Study by William Hirsch is a book that explores the relationship between genius and mental illness. The author delves into the lives of famous individuals who were considered geniuses, such as Vincent van Gogh and Friedrich Nietzsche, and examines their mental states and how it may have affected their work. Hirsch also discusses the concept of degeneration, which was a popular theory during the late 19th and...