Continuity mistake: The first time we see the young doctor doing his "lobotomy" in London Hospital (to the girl that was married to Prince Edward), Ian Holm comments on the procedure for some guest as they stand behind a glass window. You can clearly see the young doctor doing the third strike with his hammer in a reflection in the window. The movie cuts back to the young doctor and he is doing the third strike for a second time.
Factual error: The scene including the appearance of Joseph Merrick is not correct. The scene shows us Frederick Treves presenting John Merrick to the other doctors. He calls Merrick 'Joseph', but someone corrects him that he should call him 'John'. That is not correct: in real life Treves was the only one who instantly called him John, while his real name is Joseph.
Jack the Ripper: I shall tell you where we are. We're in the darkest region of the human brain, a radiant abyss where men go to find themselves.
Netley: I don't understand, sir.
Jack the Ripper: Hell, Netley. We are in hell.
Sir William Gull: No man amongst you is fit to judge the mighty art that I have wrought. Your rituals are empty oaths you neither understand, nor live by. The Great Architect speaks to me. He is the balance where my deeds are weighed and judged, not you.
Question: In the middle of the movie, one of the doctors tells the others of John Merrick, aka The Elephant Man. They show him for a few seconds Disrobed.. What is the point of showing Merrick in the movie? This scene seems totally isolated from the rest of the plot. It almost feels like they had an extra minute to kill and decided to add it in.