MANNHEIM Karl (1893-1947) originator of 'sociology of knowledge'. A member of Lukacs circle in Hungary, taught at Heidelberg (1926-30), Frankfurt am Main (1930-33), U. of London (1933-47). Known for his "sociology of knowledge," study of science as a social organization, work on problems of leadership and consensus. Wrote Ideology and Utopia (1929) and Freedom, Power, and Democratic Planning (1950).
Phenomenologists