John Aris – 1934 – 2010 Educated at Eton and Oxford, with a degree and life-long interests in the classics, joined LEO as a programmer in 1958. A career in LEO and its successor companies, including Chief Business Systems Engineer for ICL in 1968 was followed by heading the computer department of the Imperial Group, then becoming director of the NCC. He retained his interest in LEO up to the end of his life becoming a prominent and active member of the LEO Foundation and the LEO Computers Society.
http://www.guardian.co.uk/technology/2010/aug/26/john-aris-obituary