Harold Lasswell

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The cover of "Harold Lasswell on Political Sociology" from the University of Chicago Press.
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The cover of "Harold Lasswell on Political Sociology" from the University of Chicago Press.

Harold Dwight Lasswell (February 13, 1902December 18, 1978) was a leading American political scientist and communications theorist. He was a member of the Chicago school of sociology. Along with other influential liberals of the period, such as Walter Lippmann, he argued that democracies needed propaganda to keep the uninformed citizenry in agreement with what the specialized class had determined was in their best interests. As he wrote in his entry on propaganda for the Encyclopaedia of the Social Sciences, we must put aside "democratic dogmatisms about men being the best judges of their own interests" since "men are often poor judges of their own interests, flitting from one alternative to the next without solid reason". [1]

He is well known for his comment on communications:

Who (says) What (to) Whom (in) What Channel (with) What Effect

and on politics:

Politics is who gets what, when, where, and how.

Lasswell's model of communications is significantly different from those of engineers, including Claude Shannon, and his notion of channel is also different, since it includes different types of media. For example, newspapers, magazines, journals and books are all text media, but are assumed to have different distribution and readership, and hence different effects.

Lasswell studied at the University of Chicago in the 1920s, and was highly influenced by the pragmatism taught there, especially as propounded by John Dewey and George Herbert Mead. More influential, however, was Freudian philosophy, which informed much of his analysis of propaganda and communication in general. During World War II, Lasswell held the position of Chief of the Experimental Division for the Study of War Time Communications at the Library of Congress. Always forward-looking, late in his life, Lasswell experimented with questions concerning astropolitics, the political consequences of colonization of other planets, and the "machinehood of humanity."

Lasswell's work was important in the post-World War II development of behavioralism.

[edit] Major works

  • Propaganda in the World War (1927 - Reprinted with a new introduction, 1971)
  • World Politics and Personal Insecurity (1935 - Reprinted with a new introduction - 1965)
  • Politics: Who Gets What, When, How (1936)
  • The Garrison State (1941)
  • Power and Personality (1948)