1751: Burgess & Co., 101 High Holborn, London, wholesale druggist, manufacturing chemist, distiller, oil presser; 18??: changed name to Burgess, Willows & Co., then Burgess, Willows & Francis; by 1888: Willows, Francis & Butler, wholesale and export druggist, manufacturer of pharmaceutical and veterinary preparations; about 1904: Willows, Francis, Butler & Thompson Ltd., 40 Aldersgate Street, London; 1930s: trading from Shacklewell Lane, Dalston, London; 1949: merged with Pharmaceutical Manufacturing Co. Ltd to form Willows Francis Ltd; varius later mergers - name used until late 1990s