Review of The range of human capacities.

I find this to be a stimulating, if not an important piece of work, and propose to give it a fairly exhaustive review. It is concerned, as the title states, with the range of human capacities. " When we compare the mathematical ability of an Einstein, or the scientific intuition of a Pasteur or the poetic gifts of a Shakespeare, with the correlative abilities of average men, let alone those of a moron or idiot, the range of human abilities appears well nigh limitless." Wechsler begins with these words, and then proceeds to ask how extensive these differences are. How much do the least