“…We originally sought these in several sources, among them (a) popular press articles (e.g., Goodall, 1972); (b) four books and chapters on the field's history (Kazdin, 1978(Kazdin, , 1982Krasner, 1990;Rutherford, 2009); (c) three early reviews of the literature (Gelfand & Hartmann, 1968;Grossberg, 1964;Leff, 1968); (d) three trade books (Hilts, 1974;London, 1969;Packard, 1977); (e) autobiographical chapters and articles (e.g., Bijou, 1996;Risley, 2001;Wolf, 1993); (f) biographical chapters and articles (e.g., Risley, 1997); obituaries (e.g., Lutzker, 2008;Risley, 2006). In reviewing these publications, we discovered still other assessments in other publications, which we included (see, e.g., Bailey & Burch, 2002;Birnbrauer, 1979;Cooper et al, 2007;Goodall, 1973;Kazdin, 1977).…”