Control room, plastics plant, ICI Billingham 1955.

ENGLAND - : ICI Billingham became one of the world's largest chemical plants and employed 20,000 people on its 1000 acre site at its peak during the 1960s. Billingham began in 1917 making ammonia used in explosives during WW1 and later developed a plastics plant. ICI Billingham?s many other facilities included the first secret experiments on the atomic bomb. Photograph by Walter Nurnberg who transformed industrial photography after WWII using film studio lighting techniques. (Photo by Walter Nurnberg/SSPL/Getty Images)