The Illuminating Engineering Society (IES) is a professional organization dedicated to advancing the field of lighting design and technology. Founded in 1906, it focuses on promoting the art and science of illumination through education, standards, and research. The IES provides resources for lighting professionals, including guidelines and best practices for effective lighting solutions. The society also plays a crucial role in developing industry standards, such as the IES Lighting Handbook, which serves as a comprehensive reference for lighting design. By fostering collaboration among professionals, the IES aims to enhance the quality of lighting in various environments, benefiting both aesthetics and functionality.