It was opened on Friday 20 March 1964 by the
Duke of Edinburgh. He toured the laboratories and took lunch there, in the company of
James Orr and the
Earl of Kilmuir. The Duke unveiled a memorial to Sir Allen Clark. The site was named after Sir
Allen George Clark (1898–1962), who was succeeded by his son Sir
John Allen Clark (1926–2001). The site won the 1974
Queen's Award for Technology, for silicon integrated circuits. The Duke of Kent visited on the morning of Thursday 9 May 1974.
Scientists • Sir
Derek Roberts CBE FRS FREng (1932–2021), former director ==Research==