The book "Six Lectures on Light Delivered in the United States in 1872-1873" by the famous English physicist John Tyndall is an important document in the history of science. In these lectures, the author explores the nature of light and its interaction with various materials. Tyndall depicts complex physical phenomena in an accessible way, revealing the secrets of light to the reader. The book helps the reader to better understand the nature of light, its wave-like character, properties and influence on the surrounding world. Tyndall combines a high level of scientific erudition with a lightness of presentation, which makes the book attractive enough for a wide range of readers, from students to professionals in the field of physics and optics. "Six Lectures on Light" remain relevant to this day in the realm of scientific discoveries and research. This is an effective guide for those who are interested in physics and want to deepen their knowledge about light and its properties.