De La Rue had been regarded as the leading banknote paper manufacturer in the world, having manufactured banknote paper for the Bank of England since 1724. In 1997, De La Rue acquired Harrison and Sons, the stamp and banknote printers based in High Wycombe. The factory closed permanently in 2003. In early 2002, De La Rue took over ownership from Smurfit Diamond Packaging Corporation of Sequoia Voting Systems, a California-based company that was a large provider of electronic voting systems in the U.S., for U.S. $23 million. After losing money for three years in a business way out of the company's traditional lines,
Hippolyte De La Rue founding member of the RAAF in March 1921. Specialising in maritime aviation, he led seaplane formations based at Point Cook, Victoria, during the 1920s and early 1930s. De La Rue was appointed commanding officer of No. 1 Flying Training School at Point Cook in 1933. He was promoted to group captain in 1937 and took command of RAAF Station Richmond, New South Wales, the following year. At the outbreak of World War II, De La Rue was slated to lead an air expeditionary force to Great Britain, but this plan was abandoned after Australia committed itself to the Empire Air