For over 70 years, Louis Poulsen have cooperated with forward-looking designers and architects to produce innovative lighting solutions for private homes and publice buildings. The unique design, craftsmanship and the high quality of Louis Poulsen's lightings is highly appreciated and the products can be found in several projects around the whole world. The revolutionary philosophy of Poul Henningsen, the productive creator of several ingenious lighting solutions, as well as a close cooperation with other architects and designers has consolidated Louis Poulsen's knowledge over the years. Many of their products have already become "works of art or classics" not only due to their design, but also due to their unique, unusual, distinctive and exceptional light control. In 1926, Poul Henningsen designed the first versions of the renowned lamp series PH. These shadow-free lamps became popular both in the home as in public places.