Les Giblin (1912-1975) was a pioneering expert in the field of human relations and personal development. A renowned speaker and trainer, Giblin conducted seminars for major corporations and addressed over 250,000 people across the United States, Canada, and Europe. His bestselling book "How to Have Confidence and Power in Dealing with People" has sold over two million copies and remains a classic in the self-help genre. Giblin's expertise was rooted in his diverse experiences, from working as a door-to-door salesman to serving as a sergeant in the U.S. Army during World War II. He founded the Les Giblin Institute, dedicated to helping people develop their interpersonal skills. Giblin's practical, no-nonsense approach to human relations made him a sought-after consultant for businesses and individuals alike. He resided in Cedar Rapids, Iowa, where he continued to inspire and educate until his passing.