Conversation so far:
Who is Wilhelm Fliess relative to Sigmund Freud?
Sigmund Freud valued and came to rely on the intellectual and emotional support of his friend Wilhelm Fliess, a Berlin-based ear, nose and throat specialist.
Was Wilhelm Fliess Sigmund Freud's doctor?
Sigmund Freud had Wilhelm Fliess repeatedly operate on his nose and sinuses to treat nasal reflex neurosis.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about the Sigmund Freud article besides his relationship with Wilhelm Fliess?