"1976-08-30Z"^^ . . "American sociologist" . . . "Paul Felix Lazarsfeld (February 13, 1901 \u2013 August 30, 1976) was one of the major figures in 20th-century American sociology. The founder of Columbia University's Bureau of Applied Social Research, he exerted a tremendous influence over the techniques and the organization of social research."@en . "Paul Lazarsfeld"@en . . "1901Z"^^ . . . "1901-02-13Z"^^ . . "1976Z"^^ . . "Lazarsfeld, Paul"@en .