David J. Schwartz was an American author and motivational speaker, renowned for his bestselling self-help book, The Magic of Thinking Big, which has sold more than 6 million copies worldwide in more than 40 languages.

Born in the United States in 1927, Schwartz earned a degree in journalism from Northwestern University and a Ph.D. in psychology from the University of Michigan. He spent several years teaching at Georgia State University, where he became one of the most popular faculty members on campus, thanks to his motivational lectures and effective teaching style.

Schwartz was deeply passionate about helping people achieve their goals and reach their full potential. He was a firm believer in the power of positive thinking and taught his students and readers how to visualize success and overcome self-doubt and fear. His work has inspired countless people around the world to take action and seize opportunities.

Aside from The Magic of Thinking Big, Schwartz is also the author of several other books including The Magic of Getting What You Want, Superpowers of Success, and The Power of Thinking Big. His work has been translated into multiple languages and continues to be a trusted resource for anyone seeking to improve their mindset and achieve success.

Schwartz's influence extended beyond his books, however. He was a sought-after speaker who gave presentations to major corporations, universities, and government agencies around the world. His engaging and inspiring talks left a lasting impact on audiences everywhere he went.

David J. Schwartz left an indelible mark on the world of self-improvement and his legacy lives on through his many works. His teachings and philosophy continue to inspire and empower people to think big, take risks, and achieve their dreams.