This statement appears in the review of the book "Rise and Fall: The Origins, Science, and Evolution of the Jump Shot", that appears in this Sunday's Denver Post. I haven't read the book, but would be interested to see how much credit Kenny Sailors gets in it.
http://www.denverpost.com/books/ci_29682309/review-rise-and-fire-traces-evolution-jump-shot
http://www.denverpost.com/books/ci_29682309/review-rise-and-fire-traces-evolution-jump-shot