Joseph Thomas Klapper (1917-1984) was a Columbia University-trained sociologist who served on the faculties of the University of Washington, Stanford University, City College of New York, and Brooklyn Polytechnic Institute. He held various research positions in government and the private sector. He was the director of social research for the Columbia Broadcasting System (CBS). His famous book, The Effects of Mass Communication, was a comprehensive examination of the findings of modern communications research during its formative years between 1940 and 1960. More than 1,000 studies were evaluated to produce The Effects of Mass Communication.
Joseph Thomas Klapper remains an outstanding source of inspiration in the field of communications research.