“…Periodically in ensuing decades, other APSA presidents openly worried about the growing fragmentation of the discipline (e.g., Redford 1961, 757-58; Truman 1965, 869-873; Leiserson 1975, 181-82; Miller 1981, 9-10; Pye 1990, 3-4). For a brief time in the 1960s, great figures like Truman, Almond, and Easton hoped political science could unite around the analysis of groups in relation to the inputs and outputs, or structures and functions, of systems (Truman 1965, 869-870; Almond 1966, 875-879; Easton 1969, 1058-1061).…”