text: The plywood backing installed to this painting by restorer Hannah Mee Horner created a horizontal seam that ran across the title figure's shoulders.
full_question: The plywood backing installed to this painting by restorer Hannah Mee Horner created a horizontal seam that ran across the title figure's shoulders. Other early restorers of this painting increased the brightness of the red hallway in which two men stand watching the central scene. This painting was rejected by the art jury of the Centennial Exhibition. In this painting, an open box of equipment lies in front of a woman who is possibly the (*) supine man's mother and is recoiling in horror. Several bored students sit in the atrium in the background of this work. The title character of this painting holds a scalpel in his bloody right hand and was a professor at Jefferson College in Philadelphia. For 10 points, name this Thomas Eakins painting of a medical operation.
first_sentence: The plywood backing installed to this painting by restorer Hannah Mee Horner created a horizontal seam that ran across the title figure's shoulders.
raw_answer: The Gross Clinic [or Portrait of Dr. Samuel D. Gross or The Clinic of Dr. Gross]