Guilford
Guilford
http://www.indiana.edu/~intell/guilford.html
Cattell
The biographical profile of james mckeen cattell, focusing on his/her contributions to the development of intelligence theory and testing.
http://www.indiana.edu/~intell/jcattell.shtml
Jensen
Jensen
http://www.indiana.edu/~intell/jensen.html
Professor Hans Eysenck
Professor Hans Eysenck
http://freespace.virgin.net/darrin.evans/
Thurstone
Thurstone
http://www.indiana.edu/~intell/lthurstone.html
Spearman
Spearman
http://www.indiana.edu/~intell/spearman.html
Wechsler
Wechsler
http://www.indiana.edu/~intell/wechsler.html