John H. Lienhard IV

John H. Lienhard IV is an American mechanical engineer, historian, and author, widely recognized for his work in the field of technology and its impact on society. He is best known for creating the radio series and podcast "Engines of Our Ingenuity," which explores the stories behind inventions and their influence on human life. Lienhard has also written several books that discuss the relationship between technology, culture, and history. His insightful approach makes complex topics accessible, fostering a deeper understanding of how innovations shape our world.