The Power of Positive Thinking of followers testified that Peale’s message changed their lives for the better and represented the best combination of faith and pragmatism.” This is evidenced by the popularity of Peale's book, which sold more than 5 million copies worldwide and was eventually translated into over 40 languages. In addition, Peale was close friends with American presidents Eisenhower and Nixon, both of which highly regarded his positive thinking teachings. Countless others accredited "The Power of Positive Thinking" for their success in overcoming obstacles including George Foster, of the Cincinnati Reds, Rev. Robert Schuller, founder and pastor of the Crystal Cathedral in Garden
Thinking Maps 1988, David Hyerle wrote Expand Your Thinking, which was the first resource where his Thinking Maps were published, and at that point, he began training educators to use his Thinking Maps (Thinking Maps, Inc., 2011). In 1994, test results indicated that "Thinking Maps significantly affect[ed] standardized and qualitative measures of student performance" (Thinking Maps Inc., 2011). After more success and schools nationwide piloting Thinking Maps, ISI changed its name to Thinking Maps, Inc. in 2004 to "better promote its mission" (Thinking Maps, Inc., 2011). Today, thousands of teachers across America have been trained in using and implementing Thinking Maps in