What is the net worth of the American businessman who argued that The Science of Success was a credible book because of its author's business success?
The Science of Success:  While many similarly-titled books by other authors exist, T. Boone Pickens argues that Koch's immense personal business success lends credibility to the book's concept. T. Boone Pickens:  As of November, 2016, Pickens has a net worth of $500 million.
$500 million