Orison Swett Marden (1850–1924) was a prolific American author who is often considered one of the founding figures of the self-help movement. Born in Thornton Gore, New Hampshire, Marden overcame early adversities to become a successful entrepreneur, hotel owner, and writer. His works, preeminent in the genre of personal development and motivation, are characterized by their practical tone, focus on self-reliance, and the belief in the potential of the individual to overcome obstacles and achieve success. 'Cheerfulness As A Life Power' is one among his many influential books, encapsulating the idea that a positive mindset is a critical component to personal and professional success. Marden's writings were inspirational to many, blending a unique mix of optimism, realism, and old-fashioned self-discipline. They comprise valuable life lessons and anecdotes, which continue to resonate with readers seeking to improve themselves. Marden's legacy is cemented not only through his books but also as the founder of 'Success Magazine', which aimed to bring stories of inspiration and self-improvement to the public. His literary style, which exudes an unwavering faith in progress and self-improvement, has impacted and inspired countless individuals seeking to realize their potential and live a purposeful, joyful life.