Thomas Eakins painted the picture given in the question above. He was an American painter known for his naturalistic technique of art in the 19th century.
Realistic Painter
Thomas Eakins was a realistic painter from Philadelphia, America.
The above painting given in the question is named The Gross Clinic.
In photo shows realism in the oil painting done in 1875.
The painting depicts Dr Gross talking to a group of Medical College students.
Thus option C is the correct answer.
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