ICI Chemical Works & Laboratories, Manchester

A lab technician working with an array of retorts, flasks, test tubes and other intricate laboratory apparatus on the worktop before him during the development of Antrycide, at the Imperial Chemical Industries (ICI) chemical works and laboratories in Blackley, Manchester, England, 1949. A synthetic drug, Antrycide was developed to immunise against tsetse-born diseases, such as trypanosomiasis, a disease related to sleeping sickness prevalent in African cattle. (Photo by Reg Burkett/Keystone Features/Hulton Archive/Getty Images)