R H JarrettROY HERBERT JARRETT (RHJ) (1874-1937) was a self-educated, successful Chicago salesman for a printing firm. After years of using inspirational business messages and studying the psychology of positive affirmation, Jarrett wrote the short book It Work (1926). The widely popular book led to Jarrett's notoriety and early retirement before his death at age 63. Read More Read Less
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