About the Author

Sigmund Koch was University Professor of Psychology and Philosophy at Boston University, editor of the landmark six-volume series Psychology: A Study of a Science (1959-1963), and coeditor of A Century of Psychology as Science (1992). He served as president of three divisions of the American Psychological Association and was director of the Ford Foundation Program in the Humanities and the Arts (1964-1967). David Finkelman is associate professor of psychology at St. Mary's College of Maryland. Frank Kessel is a program director at the Social Science Research Council in New York City.