In the fullness of time, our progress in understanding the natural order advances through the process of science, and psychology is no exception. To gain perspectives on this progress, one needs to take the long view of a historian. In so doing, one will come to appreciate the role of great ideas and creative individuals, while at the same time realizing that our cumulative progress is greater than any one idea or individual. In this era of substantive and sometimes emotional disagreements among some segments of clinical psychology over the role of science, it is easy to lose sight of that view, but it should not be lost
