[1] McCormack wrote several books, including The Terrible Truth About Lawyers and What They Don't Teach You at Harvard Business School, which spent 21 consecutive weeks at #1 on The New York Times Best Seller list.
In his book What They Don't Teach You at Harvard Business School, McCormack tells a fictionalized story[page needed] of a Harvard study in which the three percent of graduates who had clear, written goals earned ten times as much as the 97 percent who didn't have clear, written goals.
McCormack and numerous motivational speakers, including Tony Robbins and Brian Tracy, have used various versions of this story in their presentations.
McCormack died at a New York hospital on May 16, 2003, age 72, from complications after suffering a cardiac event four months earlier that left him in a coma.
The Mark H. McCormack Medal is awarded to the leading player in the World Amateur Golf Ranking after the U.S.