Portrait Of Robert K. Merton
Portrait of influential American sociologist and Columbia University professor Robert K. Merton (1910 - 2003), mid Twentieth Century. Merton studied social structure, bureaucracy, mass communications, and the sociology of science. He coined the terms 'role model' and 'self-fulfilling prophecy.' He was the father of Nobel Laureate Robert C. Merton. (Photo by Pictorial Parade/Getty Images)