Todd Risley

Todd Robert Risley (September 8, 1937 – November 2, 2007) was an American psychologist. He is credited with helping to create the field of applied behavior analysis, and has been described as a "pioneer" in this field.^[1][2][3] He is known for the study he conducted with Betty Hart, who was his graduate student at the University of Kansas at the time, on the word gap between rich and poor children.^[1][4] He was also a co-founder and editor-in-chief of the Journal of Applied Behavior Analysis.^[5]

Todd Risley
Born	Todd Robert Risley (1937-09-08)September 8, 1937 Alaska, United States of America
Died	November 2, 2007(2007-11-02) (aged 70) Alaska
Education	San Diego State College University of Washington
Known for	Applied behavior analysis
Scientific career
Fields	Psychology
Institutions	University of Kansas University of Alaska, Anchorage
Thesis	The establishment of verbal behavior in deviant children  (1966)
Academic advisors	Montrose Wolf