To download this map image in its entirety, click here. Then right click the image and choose Save Picture As.
To learn more about an individual and their contributions to the study of intelligence, click on his or her name.
Fair treatment of this topic necessitates a complex figure. As such, placements are by the year of each person’s primary or seminal contribution/s to intelligence theory or testing.
Original map created by Dr. Jonathan Plucker (jplucker AT jhu.edu)