Description
Poul Henningsen developed the PH 5 in 1958 in response to constant changes to the shape and size of incandescent bulbs by bulb manufacturers. At the introduction of the PH 5, Poul Henningsen wrote the following: "After 33 years of basically Christian behaviour I have converted to Islam in my relationship to the manufacture of incandescent bulbs. For a generation I have believed that consideration for...