Answer:
Vincent van Gogh cut off his left ear when tempers flared with Paul Gauguin
Step-by-step explanation:
Vincent van Gogh cut off his left ear when tempers flared with Paul Gauguin, the artist with whom he had been working for a while in Arles. Van Gogh's illness revealed itself: he began to hallucinate and suffered attacks in which he lost consciousness. During one of these attacks, he used the knife.