He obtained degrees in philosophy and psychology from the University of Oxford.
[2] He spent his whole academic career researching aspects of perception and vision.
He was best known for his research on the application of the Lie group to form perception.
[3] He was the Founding North American editor of the journal Spatial Vision.
[5] He was also concerned about broader issues and in his retirement wrote a book about the spiritual basis for human culture and creativity[6]